Home / 149,019.38-223,528.39-60,271.78

Finding the Fourth Proportional to 149,019.38, 223,528.39 and 60,271.78

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Solution

The fourth proportional to 149,019.38, 223,528.39 and 60,271.78 is: 90,407.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,019.38 : 223,528.39 = 60,271.78 : x
  2. Step 2: Convert to fraction form
    149,019.38/223,528.39 = 60,271.78/x
  3. Step 3: Cross multiply
    149,019.38x = 223,528.39 × 60,271.78
  4. Step 4: Simplify right side
    149,019.38x = 13,472,453,945.83
  5. Step 5: Solve for x
    x = 13,472,453,945.83/149,019.38
  6. Step 6: Final answer
    x = 90,407.39

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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.