Home / 127,243.92-175,622.40-73,531.20

Finding the Fourth Proportional to 127,243.92, 175,622.40 and 73,531.20

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Solution

The fourth proportional to 127,243.92, 175,622.40 and 73,531.20 is: 101,487.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,243.92 : 175,622.40 = 73,531.20 : x
  2. Step 2: Convert to fraction form
    127,243.92/175,622.40 = 73,531.20/x
  3. Step 3: Cross multiply
    127,243.92x = 175,622.40 × 73,531.20
  4. Step 4: Simplify right side
    127,243.92x = 12,913,725,818.88
  5. Step 5: Solve for x
    x = 12,913,725,818.88/127,243.92
  6. Step 6: Final answer
    x = 101,487.96

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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.