Home / 155,421.20-233,082.36-50,215.28

Finding the Fourth Proportional to 155,421.20, 233,082.36 and 50,215.28

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Solution

The fourth proportional to 155,421.20, 233,082.36 and 50,215.28 is: 75,306.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,421.20 : 233,082.36 = 50,215.28 : x
  2. Step 2: Convert to fraction form
    155,421.20/233,082.36 = 50,215.28/x
  3. Step 3: Cross multiply
    155,421.20x = 233,082.36 × 50,215.28
  4. Step 4: Simplify right side
    155,421.20x = 11,704,295,970.46
  5. Step 5: Solve for x
    x = 11,704,295,970.46/155,421.20
  6. Step 6: Final answer
    x = 75,306.95

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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.