Home / 189,392.43-284,088.67-126,335.71

Finding the Fourth Proportional to 189,392.43, 284,088.67 and 126,335.71

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Solution

The fourth proportional to 189,392.43, 284,088.67 and 126,335.71 is: 189,503.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,392.43 : 284,088.67 = 126,335.71 : x
  2. Step 2: Convert to fraction form
    189,392.43/284,088.67 = 126,335.71/x
  3. Step 3: Cross multiply
    189,392.43x = 284,088.67 × 126,335.71
  4. Step 4: Simplify right side
    189,392.43x = 35,890,543,392.68
  5. Step 5: Solve for x
    x = 35,890,543,392.68/189,392.43
  6. Step 6: Final answer
    x = 189,503.58

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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.