Home / 127,345.80-175,726.92-73,634.30

Finding the Fourth Proportional to 127,345.80, 175,726.92 and 73,634.30

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Solution

The fourth proportional to 127,345.80, 175,726.92 and 73,634.30 is: 101,609.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,345.80 : 175,726.92 = 73,634.30 : x
  2. Step 2: Convert to fraction form
    127,345.80/175,726.92 = 73,634.30/x
  3. Step 3: Cross multiply
    127,345.80x = 175,726.92 × 73,634.30
  4. Step 4: Simplify right side
    127,345.80x = 12,939,527,498.55
  5. Step 5: Solve for x
    x = 12,939,527,498.55/127,345.80
  6. Step 6: Final answer
    x = 101,609.38

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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.