Home / 127,293.76-175,706.56-91,587.60

Finding the Fourth Proportional to 127,293.76, 175,706.56 and 91,587.60

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Solution

The fourth proportional to 127,293.76, 175,706.56 and 91,587.60 is: 126,420.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,293.76 : 175,706.56 = 91,587.60 : x
  2. Step 2: Convert to fraction form
    127,293.76/175,706.56 = 91,587.60/x
  3. Step 3: Cross multiply
    127,293.76x = 175,706.56 × 91,587.60
  4. Step 4: Simplify right side
    127,293.76x = 16,092,542,134.66
  5. Step 5: Solve for x
    x = 16,092,542,134.66/127,293.76
  6. Step 6: Final answer
    x = 126,420.51

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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.