Home / 126,302.20-189,107.70-98,654.20

Finding the Fourth Proportional to 126,302.20, 189,107.70 and 98,654.20

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Solution

The fourth proportional to 126,302.20, 189,107.70 and 98,654.20 is: 147,711.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,302.20 : 189,107.70 = 98,654.20 : x
  2. Step 2: Convert to fraction form
    126,302.20/189,107.70 = 98,654.20/x
  3. Step 3: Cross multiply
    126,302.20x = 189,107.70 × 98,654.20
  4. Step 4: Simplify right side
    126,302.20x = 18,656,268,857.34
  5. Step 5: Solve for x
    x = 18,656,268,857.34/126,302.20
  6. Step 6: Final answer
    x = 147,711.35

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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.