Home / 162,711.30-224,383.88-126,888.24

Finding the Fourth Proportional to 162,711.30, 224,383.88 and 126,888.24

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Solution

The fourth proportional to 162,711.30, 224,383.88 and 126,888.24 is: 174,982.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,711.30 : 224,383.88 = 126,888.24 : x
  2. Step 2: Convert to fraction form
    162,711.30/224,383.88 = 126,888.24/x
  3. Step 3: Cross multiply
    162,711.30x = 224,383.88 × 126,888.24
  4. Step 4: Simplify right side
    162,711.30x = 28,471,675,617.57
  5. Step 5: Solve for x
    x = 28,471,675,617.57/162,711.30
  6. Step 6: Final answer
    x = 174,982.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.