Home / 162,242.28-223,872.08-90,613.16

Finding the Fourth Proportional to 162,242.28, 223,872.08 and 90,613.16

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Solution

The fourth proportional to 162,242.28, 223,872.08 and 90,613.16 is: 125,033.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,242.28 : 223,872.08 = 90,613.16 : x
  2. Step 2: Convert to fraction form
    162,242.28/223,872.08 = 90,613.16/x
  3. Step 3: Cross multiply
    162,242.28x = 223,872.08 × 90,613.16
  4. Step 4: Simplify right side
    162,242.28x = 20,285,756,604.57
  5. Step 5: Solve for x
    x = 20,285,756,604.57/162,242.28
  6. Step 6: Final answer
    x = 125,033.72

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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.