Home / 163,244.88-225,295.20-91,625.40

Finding the Fourth Proportional to 163,244.88, 225,295.20 and 91,625.40

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Solution

The fourth proportional to 163,244.88, 225,295.20 and 91,625.40 is: 126,452.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,244.88 : 225,295.20 = 91,625.40 : x
  2. Step 2: Convert to fraction form
    163,244.88/225,295.20 = 91,625.40/x
  3. Step 3: Cross multiply
    163,244.88x = 225,295.20 × 91,625.40
  4. Step 4: Simplify right side
    163,244.88x = 20,642,762,818.08
  5. Step 5: Solve for x
    x = 20,642,762,818.08/163,244.88
  6. Step 6: Final answer
    x = 126,452.74

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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.