Home / 131,330.20-197,008.98-42,580.12

Finding the Fourth Proportional to 131,330.20, 197,008.98 and 42,580.12

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Solution

The fourth proportional to 131,330.20, 197,008.98 and 42,580.12 is: 63,874.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,330.20 : 197,008.98 = 42,580.12 : x
  2. Step 2: Convert to fraction form
    131,330.20/197,008.98 = 42,580.12/x
  3. Step 3: Cross multiply
    131,330.20x = 197,008.98 × 42,580.12
  4. Step 4: Simplify right side
    131,330.20x = 8,388,666,009.48
  5. Step 5: Solve for x
    x = 8,388,666,009.48/131,330.20
  6. Step 6: Final answer
    x = 63,874.62

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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.