Home / 154,538.70-231,750.45-61,025.10

Finding the Fourth Proportional to 154,538.70, 231,750.45 and 61,025.10

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Solution

The fourth proportional to 154,538.70, 231,750.45 and 61,025.10 is: 91,514.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,538.70 : 231,750.45 = 61,025.10 : x
  2. Step 2: Convert to fraction form
    154,538.70/231,750.45 = 61,025.10/x
  3. Step 3: Cross multiply
    154,538.70x = 231,750.45 × 61,025.10
  4. Step 4: Simplify right side
    154,538.70x = 14,142,594,386.30
  5. Step 5: Solve for x
    x = 14,142,594,386.30/154,538.70
  6. Step 6: Final answer
    x = 91,514.90

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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.