Home / 154,491.30-231,736.95-49,320.90

Finding the Fourth Proportional to 154,491.30, 231,736.95 and 49,320.90

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Solution

The fourth proportional to 154,491.30, 231,736.95 and 49,320.90 is: 73,981.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,491.30 : 231,736.95 = 49,320.90 : x
  2. Step 2: Convert to fraction form
    154,491.30/231,736.95 = 49,320.90/x
  3. Step 3: Cross multiply
    154,491.30x = 231,736.95 × 49,320.90
  4. Step 4: Simplify right side
    154,491.30x = 11,429,474,937.26
  5. Step 5: Solve for x
    x = 11,429,474,937.26/154,491.30
  6. Step 6: Final answer
    x = 73,981.35

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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.