Home / 127,236.80-175,591.20-70,649.12

Finding the Fourth Proportional to 127,236.80, 175,591.20 and 70,649.12

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Solution

The fourth proportional to 127,236.80, 175,591.20 and 70,649.12 is: 97,498.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,236.80 : 175,591.20 = 70,649.12 : x
  2. Step 2: Convert to fraction form
    127,236.80/175,591.20 = 70,649.12/x
  3. Step 3: Cross multiply
    127,236.80x = 175,591.20 × 70,649.12
  4. Step 4: Simplify right side
    127,236.80x = 12,405,363,759.74
  5. Step 5: Solve for x
    x = 12,405,363,759.74/127,236.80
  6. Step 6: Final answer
    x = 97,498.24

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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.