Home / 126,281.91-189,426.97-66,295.24

Finding the Fourth Proportional to 126,281.91, 189,426.97 and 66,295.24

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Solution

The fourth proportional to 126,281.91, 189,426.97 and 66,295.24 is: 99,445.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,281.91 : 189,426.97 = 66,295.24 : x
  2. Step 2: Convert to fraction form
    126,281.91/189,426.97 = 66,295.24/x
  3. Step 3: Cross multiply
    126,281.91x = 189,426.97 × 66,295.24
  4. Step 4: Simplify right side
    126,281.91x = 12,558,106,438.62
  5. Step 5: Solve for x
    x = 12,558,106,438.62/126,281.91
  6. Step 6: Final answer
    x = 99,445.02

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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.