Home / 120,738.08-181,036.20-36,472.88

Finding the Fourth Proportional to 120,738.08, 181,036.20 and 36,472.88

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Solution

The fourth proportional to 120,738.08, 181,036.20 and 36,472.88 is: 54,687.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,738.08 : 181,036.20 = 36,472.88 : x
  2. Step 2: Convert to fraction form
    120,738.08/181,036.20 = 36,472.88/x
  3. Step 3: Cross multiply
    120,738.08x = 181,036.20 × 36,472.88
  4. Step 4: Simplify right side
    120,738.08x = 6,602,911,598.26
  5. Step 5: Solve for x
    x = 6,602,911,598.26/120,738.08
  6. Step 6: Final answer
    x = 54,687.90

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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.