Home / 126,000.80-189,017.40-62,853.20

Finding the Fourth Proportional to 126,000.80, 189,017.40 and 62,853.20

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Solution

The fourth proportional to 126,000.80, 189,017.40 and 62,853.20 is: 94,287.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,000.80 : 189,017.40 = 62,853.20 : x
  2. Step 2: Convert to fraction form
    126,000.80/189,017.40 = 62,853.20/x
  3. Step 3: Cross multiply
    126,000.80x = 189,017.40 × 62,853.20
  4. Step 4: Simplify right side
    126,000.80x = 11,880,348,445.68
  5. Step 5: Solve for x
    x = 11,880,348,445.68/126,000.80
  6. Step 6: Final answer
    x = 94,287.88

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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.