Home / 97,985.28-147,010.72-38,837.86

Finding the Fourth Proportional to 97,985.28, 147,010.72 and 38,837.86

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Solution

The fourth proportional to 97,985.28, 147,010.72 and 38,837.86 is: 58,269.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,985.28 : 147,010.72 = 38,837.86 : x
  2. Step 2: Convert to fraction form
    97,985.28/147,010.72 = 38,837.86/x
  3. Step 3: Cross multiply
    97,985.28x = 147,010.72 × 38,837.86
  4. Step 4: Simplify right side
    97,985.28x = 5,709,581,761.86
  5. Step 5: Solve for x
    x = 5,709,581,761.86/97,985.28
  6. Step 6: Final answer
    x = 58,269.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.