Home / 127,726.26-176,270.30-71,137.50

Finding the Fourth Proportional to 127,726.26, 176,270.30 and 71,137.50

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Solution

The fourth proportional to 127,726.26, 176,270.30 and 71,137.50 is: 98,174.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,726.26 : 176,270.30 = 71,137.50 : x
  2. Step 2: Convert to fraction form
    127,726.26/176,270.30 = 71,137.50/x
  3. Step 3: Cross multiply
    127,726.26x = 176,270.30 × 71,137.50
  4. Step 4: Simplify right side
    127,726.26x = 12,539,428,466.25
  5. Step 5: Solve for x
    x = 12,539,428,466.25/127,726.26
  6. Step 6: Final answer
    x = 98,174.24

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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.