Home / 154,394.96-231,568.76-42,084.21

Finding the Fourth Proportional to 154,394.96, 231,568.76 and 42,084.21

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Solution

The fourth proportional to 154,394.96, 231,568.76 and 42,084.21 is: 63,119.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,394.96 : 231,568.76 = 42,084.21 : x
  2. Step 2: Convert to fraction form
    154,394.96/231,568.76 = 42,084.21/x
  3. Step 3: Cross multiply
    154,394.96x = 231,568.76 × 42,084.21
  4. Step 4: Simplify right side
    154,394.96x = 9,745,388,114.86
  5. Step 5: Solve for x
    x = 9,745,388,114.86/154,394.96
  6. Step 6: Final answer
    x = 63,119.86

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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.