Home / 148,990.50-223,626.20-54,312.19

Finding the Fourth Proportional to 148,990.50, 223,626.20 and 54,312.19

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Solution

The fourth proportional to 148,990.50, 223,626.20 and 54,312.19 is: 81,519.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,990.50 : 223,626.20 = 54,312.19 : x
  2. Step 2: Convert to fraction form
    148,990.50/223,626.20 = 54,312.19/x
  3. Step 3: Cross multiply
    148,990.50x = 223,626.20 × 54,312.19
  4. Step 4: Simplify right side
    148,990.50x = 12,145,628,663.38
  5. Step 5: Solve for x
    x = 12,145,628,663.38/148,990.50
  6. Step 6: Final answer
    x = 81,519.48

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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.