Home / 149,020.38-223,529.89-60,272.78

Finding the Fourth Proportional to 149,020.38, 223,529.89 and 60,272.78

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Solution

The fourth proportional to 149,020.38, 223,529.89 and 60,272.78 is: 90,408.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,020.38 : 223,529.89 = 60,272.78 : x
  2. Step 2: Convert to fraction form
    149,020.38/223,529.89 = 60,272.78/x
  3. Step 3: Cross multiply
    149,020.38x = 223,529.89 × 60,272.78
  4. Step 4: Simplify right side
    149,020.38x = 13,472,767,883.39
  5. Step 5: Solve for x
    x = 13,472,767,883.39/149,020.38
  6. Step 6: Final answer
    x = 90,408.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.