Home / 126,301.20-189,461.10-36,340.26

Finding the Fourth Proportional to 126,301.20, 189,461.10 and 36,340.26

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Solution

The fourth proportional to 126,301.20, 189,461.10 and 36,340.26 is: 54,513.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,301.20 : 189,461.10 = 36,340.26 : x
  2. Step 2: Convert to fraction form
    126,301.20/189,461.10 = 36,340.26/x
  3. Step 3: Cross multiply
    126,301.20x = 189,461.10 × 36,340.26
  4. Step 4: Simplify right side
    126,301.20x = 6,885,065,633.89
  5. Step 5: Solve for x
    x = 6,885,065,633.89/126,301.20
  6. Step 6: Final answer
    x = 54,513.07

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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.