Home / 142,755.17-197,215.43-93,812.54

Finding the Fourth Proportional to 142,755.17, 197,215.43 and 93,812.54

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Solution

The fourth proportional to 142,755.17, 197,215.43 and 93,812.54 is: 129,601.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,755.17 : 197,215.43 = 93,812.54 : x
  2. Step 2: Convert to fraction form
    142,755.17/197,215.43 = 93,812.54/x
  3. Step 3: Cross multiply
    142,755.17x = 197,215.43 × 93,812.54
  4. Step 4: Simplify right side
    142,755.17x = 18,501,278,960.35
  5. Step 5: Solve for x
    x = 18,501,278,960.35/142,755.17
  6. Step 6: Final answer
    x = 129,601.47

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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.