Home / 115,281.98-172,921.76-29,892.40

Finding the Fourth Proportional to 115,281.98, 172,921.76 and 29,892.40

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Solution

The fourth proportional to 115,281.98, 172,921.76 and 29,892.40 is: 44,838.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,281.98 : 172,921.76 = 29,892.40 : x
  2. Step 2: Convert to fraction form
    115,281.98/172,921.76 = 29,892.40/x
  3. Step 3: Cross multiply
    115,281.98x = 172,921.76 × 29,892.40
  4. Step 4: Simplify right side
    115,281.98x = 5,169,046,418.62
  5. Step 5: Solve for x
    x = 5,169,046,418.62/115,281.98
  6. Step 6: Final answer
    x = 44,838.29

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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.