Home / 97,431.40-145,887.90-62,180.20

Finding the Fourth Proportional to 97,431.40, 145,887.90 and 62,180.20

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Solution

The fourth proportional to 97,431.40, 145,887.90 and 62,180.20 is: 93,104.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,431.40 : 145,887.90 = 62,180.20 : x
  2. Step 2: Convert to fraction form
    97,431.40/145,887.90 = 62,180.20/x
  3. Step 3: Cross multiply
    97,431.40x = 145,887.90 × 62,180.20
  4. Step 4: Simplify right side
    97,431.40x = 9,071,338,799.58
  5. Step 5: Solve for x
    x = 9,071,338,799.58/97,431.40
  6. Step 6: Final answer
    x = 93,104.88

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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.