Home / 372,084.27-558,124.32-135,426.94

Finding the Fourth Proportional to 372,084.27, 558,124.32 and 135,426.94

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Solution

The fourth proportional to 372,084.27, 558,124.32 and 135,426.94 is: 203,139.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,084.27 : 558,124.32 = 135,426.94 : x
  2. Step 2: Convert to fraction form
    372,084.27/558,124.32 = 135,426.94/x
  3. Step 3: Cross multiply
    372,084.27x = 558,124.32 × 135,426.94
  4. Step 4: Simplify right side
    372,084.27x = 75,585,068,797.18
  5. Step 5: Solve for x
    x = 75,585,068,797.18/372,084.27
  6. Step 6: Final answer
    x = 203,139.65

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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.