Home / 162,024.17-223,604.15-90,405.72

Finding the Fourth Proportional to 162,024.17, 223,604.15 and 90,405.72

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Solution

The fourth proportional to 162,024.17, 223,604.15 and 90,405.72 is: 124,765.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,024.17 : 223,604.15 = 90,405.72 : x
  2. Step 2: Convert to fraction form
    162,024.17/223,604.15 = 90,405.72/x
  3. Step 3: Cross multiply
    162,024.17x = 223,604.15 × 90,405.72
  4. Step 4: Simplify right side
    162,024.17x = 20,215,093,723.71
  5. Step 5: Solve for x
    x = 20,215,093,723.71/162,024.17
  6. Step 6: Final answer
    x = 124,765.92

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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.