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Finding the Fourth Proportional to 95,712.76, 143,569.14 and 25,590.25

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Solution

The fourth proportional to 95,712.76, 143,569.14 and 25,590.25 is: 38,385.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,712.76 : 143,569.14 = 25,590.25 : x
  2. Step 2: Convert to fraction form
    95,712.76/143,569.14 = 25,590.25/x
  3. Step 3: Cross multiply
    95,712.76x = 143,569.14 × 25,590.25
  4. Step 4: Simplify right side
    95,712.76x = 3,673,970,184.89
  5. Step 5: Solve for x
    x = 3,673,970,184.89/95,712.76
  6. Step 6: Final answer
    x = 38,385.38

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.