Home / 143,542.52-198,085.74-89,857.14

Finding the Fourth Proportional to 143,542.52, 198,085.74 and 89,857.14

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Solution

The fourth proportional to 143,542.52, 198,085.74 and 89,857.14 is: 124,001.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,542.52 : 198,085.74 = 89,857.14 : x
  2. Step 2: Convert to fraction form
    143,542.52/198,085.74 = 89,857.14/x
  3. Step 3: Cross multiply
    143,542.52x = 198,085.74 × 89,857.14
  4. Step 4: Simplify right side
    143,542.52x = 17,799,418,071.18
  5. Step 5: Solve for x
    x = 17,799,418,071.18/143,542.52
  6. Step 6: Final answer
    x = 124,001.01

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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.