Home / 143,541.52-198,084.36-89,856.14

Finding the Fourth Proportional to 143,541.52, 198,084.36 and 89,856.14

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Solution

The fourth proportional to 143,541.52, 198,084.36 and 89,856.14 is: 123,999.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,541.52 : 198,084.36 = 89,856.14 : x
  2. Step 2: Convert to fraction form
    143,541.52/198,084.36 = 89,856.14/x
  3. Step 3: Cross multiply
    143,541.52x = 198,084.36 × 89,856.14
  4. Step 4: Simplify right side
    143,541.52x = 17,799,095,983.97
  5. Step 5: Solve for x
    x = 17,799,095,983.97/143,541.52
  6. Step 6: Final answer
    x = 123,999.63

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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.