Home / 131,561.24-197,352.12-47,332.40

Finding the Fourth Proportional to 131,561.24, 197,352.12 and 47,332.40

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Solution

The fourth proportional to 131,561.24, 197,352.12 and 47,332.40 is: 71,002.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,561.24 : 197,352.12 = 47,332.40 : x
  2. Step 2: Convert to fraction form
    131,561.24/197,352.12 = 47,332.40/x
  3. Step 3: Cross multiply
    131,561.24x = 197,352.12 × 47,332.40
  4. Step 4: Simplify right side
    131,561.24x = 9,341,149,484.69
  5. Step 5: Solve for x
    x = 9,341,149,484.69/131,561.24
  6. Step 6: Final answer
    x = 71,002.29

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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.