Home / 126,126.72-174,056.18-69,540.12

Finding the Fourth Proportional to 126,126.72, 174,056.18 and 69,540.12

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Solution

The fourth proportional to 126,126.72, 174,056.18 and 69,540.12 is: 95,966.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,126.72 : 174,056.18 = 69,540.12 : x
  2. Step 2: Convert to fraction form
    126,126.72/174,056.18 = 69,540.12/x
  3. Step 3: Cross multiply
    126,126.72x = 174,056.18 × 69,540.12
  4. Step 4: Simplify right side
    126,126.72x = 12,103,887,296.24
  5. Step 5: Solve for x
    x = 12,103,887,296.24/126,126.72
  6. Step 6: Final answer
    x = 95,966.08

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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.