Home / 97,400.32-134,414.40-57,144.96

Finding the Fourth Proportional to 97,400.32, 134,414.40 and 57,144.96

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Solution

The fourth proportional to 97,400.32, 134,414.40 and 57,144.96 is: 78,861.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,400.32 : 134,414.40 = 57,144.96 : x
  2. Step 2: Convert to fraction form
    97,400.32/134,414.40 = 57,144.96/x
  3. Step 3: Cross multiply
    97,400.32x = 134,414.40 × 57,144.96
  4. Step 4: Simplify right side
    97,400.32x = 7,681,105,511.42
  5. Step 5: Solve for x
    x = 7,681,105,511.42/97,400.32
  6. Step 6: Final answer
    x = 78,861.19

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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.