Home / 127,440.08-175,889.04-73,757.78

Finding the Fourth Proportional to 127,440.08, 175,889.04 and 73,757.78

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Solution

The fourth proportional to 127,440.08, 175,889.04 and 73,757.78 is: 101,798.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,440.08 : 175,889.04 = 73,757.78 : x
  2. Step 2: Convert to fraction form
    127,440.08/175,889.04 = 73,757.78/x
  3. Step 3: Cross multiply
    127,440.08x = 175,889.04 × 73,757.78
  4. Step 4: Simplify right side
    127,440.08x = 12,973,185,116.73
  5. Step 5: Solve for x
    x = 12,973,185,116.73/127,440.08
  6. Step 6: Final answer
    x = 101,798.31

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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.