Home / 126,572.40-174,785.88-101,604.72

Finding the Fourth Proportional to 126,572.40, 174,785.88 and 101,604.72

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Solution

The fourth proportional to 126,572.40, 174,785.88 and 101,604.72 is: 140,307.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,572.40 : 174,785.88 = 101,604.72 : x
  2. Step 2: Convert to fraction form
    126,572.40/174,785.88 = 101,604.72/x
  3. Step 3: Cross multiply
    126,572.40x = 174,785.88 × 101,604.72
  4. Step 4: Simplify right side
    126,572.40x = 17,759,070,397.35
  5. Step 5: Solve for x
    x = 17,759,070,397.35/126,572.40
  6. Step 6: Final answer
    x = 140,307.61

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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.