Home / 162,331.29-224,012.88-90,711.90

Finding the Fourth Proportional to 162,331.29, 224,012.88 and 90,711.90

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Solution

The fourth proportional to 162,331.29, 224,012.88 and 90,711.90 is: 125,180.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,331.29 : 224,012.88 = 90,711.90 : x
  2. Step 2: Convert to fraction form
    162,331.29/224,012.88 = 90,711.90/x
  3. Step 3: Cross multiply
    162,331.29x = 224,012.88 × 90,711.90
  4. Step 4: Simplify right side
    162,331.29x = 20,320,633,969.27
  5. Step 5: Solve for x
    x = 20,320,633,969.27/162,331.29
  6. Step 6: Final answer
    x = 125,180.02

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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.