Home / 126,731.12-174,877.08-75,733.70

Finding the Fourth Proportional to 126,731.12, 174,877.08 and 75,733.70

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Solution

The fourth proportional to 126,731.12, 174,877.08 and 75,733.70 is: 104,505.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,731.12 : 174,877.08 = 75,733.70 : x
  2. Step 2: Convert to fraction form
    126,731.12/174,877.08 = 75,733.70/x
  3. Step 3: Cross multiply
    126,731.12x = 174,877.08 × 75,733.70
  4. Step 4: Simplify right side
    126,731.12x = 13,244,088,313.60
  5. Step 5: Solve for x
    x = 13,244,088,313.60/126,731.12
  6. Step 6: Final answer
    x = 104,505.42

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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.