Home / 154,320.60-231,498-49,115.10

Finding the Fourth Proportional to 154,320.60, 231,498 and 49,115.10

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Solution

The fourth proportional to 154,320.60, 231,498 and 49,115.10 is: 73,678.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,320.60 : 231,498 = 49,115.10 : x
  2. Step 2: Convert to fraction form
    154,320.60/231,498 = 49,115.10/x
  3. Step 3: Cross multiply
    154,320.60x = 231,498 × 49,115.10
  4. Step 4: Simplify right side
    154,320.60x = 11,370,047,419.80
  5. Step 5: Solve for x
    x = 11,370,047,419.80/154,320.60
  6. Step 6: Final answer
    x = 73,678.09

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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.