Home / 189,154.45-284,053.06-126,377.97

Finding the Fourth Proportional to 189,154.45, 284,053.06 and 126,377.97

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Solution

The fourth proportional to 189,154.45, 284,053.06 and 126,377.97 is: 189,781.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,154.45 : 284,053.06 = 126,377.97 : x
  2. Step 2: Convert to fraction form
    189,154.45/284,053.06 = 126,377.97/x
  3. Step 3: Cross multiply
    189,154.45x = 284,053.06 × 126,377.97
  4. Step 4: Simplify right side
    189,154.45x = 35,898,050,318.26
  5. Step 5: Solve for x
    x = 35,898,050,318.26/189,154.45
  6. Step 6: Final answer
    x = 189,781.69

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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.