Home / 127,137.60-175,440.16-73,398.08

Finding the Fourth Proportional to 127,137.60, 175,440.16 and 73,398.08

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Solution

The fourth proportional to 127,137.60, 175,440.16 and 73,398.08 is: 101,283.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,137.60 : 175,440.16 = 73,398.08 : x
  2. Step 2: Convert to fraction form
    127,137.60/175,440.16 = 73,398.08/x
  3. Step 3: Cross multiply
    127,137.60x = 175,440.16 × 73,398.08
  4. Step 4: Simplify right side
    127,137.60x = 12,876,970,898.89
  5. Step 5: Solve for x
    x = 12,876,970,898.89/127,137.60
  6. Step 6: Final answer
    x = 101,283.73

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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.