Home / 95,345.48-143,041.34-28,781.63

Finding the Fourth Proportional to 95,345.48, 143,041.34 and 28,781.63

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Solution

The fourth proportional to 95,345.48, 143,041.34 and 28,781.63 is: 43,179.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,345.48 : 143,041.34 = 28,781.63 : x
  2. Step 2: Convert to fraction form
    95,345.48/143,041.34 = 28,781.63/x
  3. Step 3: Cross multiply
    95,345.48x = 143,041.34 × 28,781.63
  4. Step 4: Simplify right side
    95,345.48x = 4,116,963,352.14
  5. Step 5: Solve for x
    x = 4,116,963,352.14/95,345.48
  6. Step 6: Final answer
    x = 43,179.43

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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.