Home / 97,291.32-145,874.10-38,132.97

Finding the Fourth Proportional to 97,291.32, 145,874.10 and 38,132.97

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Solution

The fourth proportional to 97,291.32, 145,874.10 and 38,132.97 is: 57,174.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,291.32 : 145,874.10 = 38,132.97 : x
  2. Step 2: Convert to fraction form
    97,291.32/145,874.10 = 38,132.97/x
  3. Step 3: Cross multiply
    97,291.32x = 145,874.10 × 38,132.97
  4. Step 4: Simplify right side
    97,291.32x = 5,562,612,679.08
  5. Step 5: Solve for x
    x = 5,562,612,679.08/97,291.32
  6. Step 6: Final answer
    x = 57,174.81

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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.