Home / 154,307.04-231,479.16-54,446.70

Finding the Fourth Proportional to 154,307.04, 231,479.16 and 54,446.70

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Solution

The fourth proportional to 154,307.04, 231,479.16 and 54,446.70 is: 81,676.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,307.04 : 231,479.16 = 54,446.70 : x
  2. Step 2: Convert to fraction form
    154,307.04/231,479.16 = 54,446.70/x
  3. Step 3: Cross multiply
    154,307.04x = 231,479.16 × 54,446.70
  4. Step 4: Simplify right side
    154,307.04x = 12,603,276,380.77
  5. Step 5: Solve for x
    x = 12,603,276,380.77/154,307.04
  6. Step 6: Final answer
    x = 81,676.61

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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.