Home / 127,278.95-175,631.49-73,581.21

Finding the Fourth Proportional to 127,278.95, 175,631.49 and 73,581.21

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Solution

The fourth proportional to 127,278.95, 175,631.49 and 73,581.21 is: 101,534.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,278.95 : 175,631.49 = 73,581.21 : x
  2. Step 2: Convert to fraction form
    127,278.95/175,631.49 = 73,581.21/x
  3. Step 3: Cross multiply
    127,278.95x = 175,631.49 × 73,581.21
  4. Step 4: Simplify right side
    127,278.95x = 12,923,177,548.30
  5. Step 5: Solve for x
    x = 12,923,177,548.30/127,278.95
  6. Step 6: Final answer
    x = 101,534.29

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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.