Home / 162,131.02-223,737.09-90,517.70

Finding the Fourth Proportional to 162,131.02, 223,737.09 and 90,517.70

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Solution

The fourth proportional to 162,131.02, 223,737.09 and 90,517.70 is: 124,912.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,131.02 : 223,737.09 = 90,517.70 : x
  2. Step 2: Convert to fraction form
    162,131.02/223,737.09 = 90,517.70/x
  3. Step 3: Cross multiply
    162,131.02x = 223,737.09 × 90,517.70
  4. Step 4: Simplify right side
    162,131.02x = 20,252,167,011.39
  5. Step 5: Solve for x
    x = 20,252,167,011.39/162,131.02
  6. Step 6: Final answer
    x = 124,912.35

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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.