Home / 162,609.30-224,381.25-90,983.70

Finding the Fourth Proportional to 162,609.30, 224,381.25 and 90,983.70

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Solution

The fourth proportional to 162,609.30, 224,381.25 and 90,983.70 is: 125,546.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,609.30 : 224,381.25 = 90,983.70 : x
  2. Step 2: Convert to fraction form
    162,609.30/224,381.25 = 90,983.70/x
  3. Step 3: Cross multiply
    162,609.30x = 224,381.25 × 90,983.70
  4. Step 4: Simplify right side
    162,609.30x = 20,415,036,335.63
  5. Step 5: Solve for x
    x = 20,415,036,335.63/162,609.30
  6. Step 6: Final answer
    x = 125,546.55

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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.