Home / 131,320.90-197,042.85-64,724.73

Finding the Fourth Proportional to 131,320.90, 197,042.85 and 64,724.73

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Solution

The fourth proportional to 131,320.90, 197,042.85 and 64,724.73 is: 97,117.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,320.90 : 197,042.85 = 64,724.73 : x
  2. Step 2: Convert to fraction form
    131,320.90/197,042.85 = 64,724.73/x
  3. Step 3: Cross multiply
    131,320.90x = 197,042.85 × 64,724.73
  4. Step 4: Simplify right side
    131,320.90x = 12,753,545,264.68
  5. Step 5: Solve for x
    x = 12,753,545,264.68/131,320.90
  6. Step 6: Final answer
    x = 97,117.41

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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.