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Finding the Fourth Proportional to 95,590.15, 131,913.97 and 53,146.15

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Solution

The fourth proportional to 95,590.15, 131,913.97 and 53,146.15 is: 73,341.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,590.15 : 131,913.97 = 53,146.15 : x
  2. Step 2: Convert to fraction form
    95,590.15/131,913.97 = 53,146.15/x
  3. Step 3: Cross multiply
    95,590.15x = 131,913.97 × 53,146.15
  4. Step 4: Simplify right side
    95,590.15x = 7,010,719,636.72
  5. Step 5: Solve for x
    x = 7,010,719,636.72/95,590.15
  6. Step 6: Final answer
    x = 73,341.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.