Home / 126,135.18-174,058.56-72,382.41

Finding the Fourth Proportional to 126,135.18, 174,058.56 and 72,382.41

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Solution

The fourth proportional to 126,135.18, 174,058.56 and 72,382.41 is: 99,883.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,135.18 : 174,058.56 = 72,382.41 : x
  2. Step 2: Convert to fraction form
    126,135.18/174,058.56 = 72,382.41/x
  3. Step 3: Cross multiply
    126,135.18x = 174,058.56 × 72,382.41
  4. Step 4: Simplify right side
    126,135.18x = 12,598,778,053.93
  5. Step 5: Solve for x
    x = 12,598,778,053.93/126,135.18
  6. Step 6: Final answer
    x = 99,883.14

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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.