Home / 230,732.20-346,098.30-81,141.40

Finding the Fourth Proportional to 230,732.20, 346,098.30 and 81,141.40

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Solution

The fourth proportional to 230,732.20, 346,098.30 and 81,141.40 is: 121,712.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,732.20 : 346,098.30 = 81,141.40 : x
  2. Step 2: Convert to fraction form
    230,732.20/346,098.30 = 81,141.40/x
  3. Step 3: Cross multiply
    230,732.20x = 346,098.30 × 81,141.40
  4. Step 4: Simplify right side
    230,732.20x = 28,082,900,599.62
  5. Step 5: Solve for x
    x = 28,082,900,599.62/230,732.20
  6. Step 6: Final answer
    x = 121,712.10

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1.5x scale

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.