Home / 97,735.43-134,805.35-89,695.06

Finding the Fourth Proportional to 97,735.43, 134,805.35 and 89,695.06

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Solution

The fourth proportional to 97,735.43, 134,805.35 and 89,695.06 is: 123,715.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,735.43 : 134,805.35 = 89,695.06 : x
  2. Step 2: Convert to fraction form
    97,735.43/134,805.35 = 89,695.06/x
  3. Step 3: Cross multiply
    97,735.43x = 134,805.35 × 89,695.06
  4. Step 4: Simplify right side
    97,735.43x = 12,091,374,011.97
  5. Step 5: Solve for x
    x = 12,091,374,011.97/97,735.43
  6. Step 6: Final answer
    x = 123,715.36

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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.