Home / 97,810.10-146,715.15-38,615.30

Finding the Fourth Proportional to 97,810.10, 146,715.15 and 38,615.30

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Solution

The fourth proportional to 97,810.10, 146,715.15 and 38,615.30 is: 57,922.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,810.10 : 146,715.15 = 38,615.30 : x
  2. Step 2: Convert to fraction form
    97,810.10/146,715.15 = 38,615.30/x
  3. Step 3: Cross multiply
    97,810.10x = 146,715.15 × 38,615.30
  4. Step 4: Simplify right side
    97,810.10x = 5,665,449,531.80
  5. Step 5: Solve for x
    x = 5,665,449,531.80/97,810.10
  6. Step 6: Final answer
    x = 57,922.95

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Similar ratio
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1.5x scale

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.