Home / 84,189.04-126,244.68-31,560.88

Finding the Fourth Proportional to 84,189.04, 126,244.68 and 31,560.88

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Solution

The fourth proportional to 84,189.04, 126,244.68 and 31,560.88 is: 47,326.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,189.04 : 126,244.68 = 31,560.88 : x
  2. Step 2: Convert to fraction form
    84,189.04/126,244.68 = 31,560.88/x
  3. Step 3: Cross multiply
    84,189.04x = 126,244.68 × 31,560.88
  4. Step 4: Simplify right side
    84,189.04x = 3,984,393,196.12
  5. Step 5: Solve for x
    x = 3,984,393,196.12/84,189.04
  6. Step 6: Final answer
    x = 47,326.74

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1.5x scale

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.