Home / 121,060.62-181,591.84-42,174.72

Finding the Fourth Proportional to 121,060.62, 181,591.84 and 42,174.72

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Solution

The fourth proportional to 121,060.62, 181,591.84 and 42,174.72 is: 63,262.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,060.62 : 181,591.84 = 42,174.72 : x
  2. Step 2: Convert to fraction form
    121,060.62/181,591.84 = 42,174.72/x
  3. Step 3: Cross multiply
    121,060.62x = 181,591.84 × 42,174.72
  4. Step 4: Simplify right side
    121,060.62x = 7,658,585,006.28
  5. Step 5: Solve for x
    x = 7,658,585,006.28/121,060.62
  6. Step 6: Final answer
    x = 63,262.40

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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.