Home / 127,149.39-175,467.20-70,561.71

Finding the Fourth Proportional to 127,149.39, 175,467.20 and 70,561.71

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Solution

The fourth proportional to 127,149.39, 175,467.20 and 70,561.71 is: 97,375.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,149.39 : 175,467.20 = 70,561.71 : x
  2. Step 2: Convert to fraction form
    127,149.39/175,467.20 = 70,561.71/x
  3. Step 3: Cross multiply
    127,149.39x = 175,467.20 × 70,561.71
  4. Step 4: Simplify right side
    127,149.39x = 12,381,265,328.10
  5. Step 5: Solve for x
    x = 12,381,265,328.10/127,149.39
  6. Step 6: Final answer
    x = 97,375.74

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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.