Home / 148,905-223,399.19-60,220.78

Finding the Fourth Proportional to 148,905, 223,399.19 and 60,220.78

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Solution

The fourth proportional to 148,905, 223,399.19 and 60,220.78 is: 90,348.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,905 : 223,399.19 = 60,220.78 : x
  2. Step 2: Convert to fraction form
    148,905/223,399.19 = 60,220.78/x
  3. Step 3: Cross multiply
    148,905x = 223,399.19 × 60,220.78
  4. Step 4: Simplify right side
    148,905x = 13,453,273,473.17
  5. Step 5: Solve for x
    x = 13,453,273,473.17/148,905
  6. Step 6: Final answer
    x = 90,348.03

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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.