Home / 162,000.17-223,560.37-90,380.21

Finding the Fourth Proportional to 162,000.17, 223,560.37 and 90,380.21

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Solution

The fourth proportional to 162,000.17, 223,560.37 and 90,380.21 is: 124,724.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,000.17 : 223,560.37 = 90,380.21 : x
  2. Step 2: Convert to fraction form
    162,000.17/223,560.37 = 90,380.21/x
  3. Step 3: Cross multiply
    162,000.17x = 223,560.37 × 90,380.21
  4. Step 4: Simplify right side
    162,000.17x = 20,205,432,070.48
  5. Step 5: Solve for x
    x = 20,205,432,070.48/162,000.17
  6. Step 6: Final answer
    x = 124,724.76

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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.