Home / 162,523.10-224,283.30-90,909.78

Finding the Fourth Proportional to 162,523.10, 224,283.30 and 90,909.78

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Solution

The fourth proportional to 162,523.10, 224,283.30 and 90,909.78 is: 125,456.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,523.10 : 224,283.30 = 90,909.78 : x
  2. Step 2: Convert to fraction form
    162,523.10/224,283.30 = 90,909.78/x
  3. Step 3: Cross multiply
    162,523.10x = 224,283.30 × 90,909.78
  4. Step 4: Simplify right side
    162,523.10x = 20,389,545,460.67
  5. Step 5: Solve for x
    x = 20,389,545,460.67/162,523.10
  6. Step 6: Final answer
    x = 125,456.30

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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.