Home / 148,964.20-223,532.70-55,479.40

Finding the Fourth Proportional to 148,964.20, 223,532.70 and 55,479.40

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Solution

The fourth proportional to 148,964.20, 223,532.70 and 55,479.40 is: 83,251.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,964.20 : 223,532.70 = 55,479.40 : x
  2. Step 2: Convert to fraction form
    148,964.20/223,532.70 = 55,479.40/x
  3. Step 3: Cross multiply
    148,964.20x = 223,532.70 × 55,479.40
  4. Step 4: Simplify right side
    148,964.20x = 12,401,460,076.38
  5. Step 5: Solve for x
    x = 12,401,460,076.38/148,964.20
  6. Step 6: Final answer
    x = 83,251.28

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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.