Home / 126,367.64-174,387.30-72,663.20

Finding the Fourth Proportional to 126,367.64, 174,387.30 and 72,663.20

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Solution

The fourth proportional to 126,367.64, 174,387.30 and 72,663.20 is: 100,275.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,367.64 : 174,387.30 = 72,663.20 : x
  2. Step 2: Convert to fraction form
    126,367.64/174,387.30 = 72,663.20/x
  3. Step 3: Cross multiply
    126,367.64x = 174,387.30 × 72,663.20
  4. Step 4: Simplify right side
    126,367.64x = 12,671,539,257.36
  5. Step 5: Solve for x
    x = 12,671,539,257.36/126,367.64
  6. Step 6: Final answer
    x = 100,275.19

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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.