Home / 97,400.10-146,100.15-38,205.30

Finding the Fourth Proportional to 97,400.10, 146,100.15 and 38,205.30

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Solution

The fourth proportional to 97,400.10, 146,100.15 and 38,205.30 is: 57,307.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,400.10 : 146,100.15 = 38,205.30 : x
  2. Step 2: Convert to fraction form
    97,400.10/146,100.15 = 38,205.30/x
  3. Step 3: Cross multiply
    97,400.10x = 146,100.15 × 38,205.30
  4. Step 4: Simplify right side
    97,400.10x = 5,581,800,060.80
  5. Step 5: Solve for x
    x = 5,581,800,060.80/97,400.10
  6. Step 6: Final answer
    x = 57,307.95

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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.