Home / 127,726.06-176,267.38-71,137.42

Finding the Fourth Proportional to 127,726.06, 176,267.38 and 71,137.42

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Solution

The fourth proportional to 127,726.06, 176,267.38 and 71,137.42 is: 98,172.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,726.06 : 176,267.38 = 71,137.42 : x
  2. Step 2: Convert to fraction form
    127,726.06/176,267.38 = 71,137.42/x
  3. Step 3: Cross multiply
    127,726.06x = 176,267.38 × 71,137.42
  4. Step 4: Simplify right side
    127,726.06x = 12,539,206,643.36
  5. Step 5: Solve for x
    x = 12,539,206,643.36/127,726.06
  6. Step 6: Final answer
    x = 98,172.66

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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.