Home / 154,310.40-231,415.68-49,104.72

Finding the Fourth Proportional to 154,310.40, 231,415.68 and 49,104.72

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Solution

The fourth proportional to 154,310.40, 231,415.68 and 49,104.72 is: 73,641.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,310.40 : 231,415.68 = 49,104.72 : x
  2. Step 2: Convert to fraction form
    154,310.40/231,415.68 = 49,104.72/x
  3. Step 3: Cross multiply
    154,310.40x = 231,415.68 × 49,104.72
  4. Step 4: Simplify right side
    154,310.40x = 11,363,602,170.01
  5. Step 5: Solve for x
    x = 11,363,602,170.01/154,310.40
  6. Step 6: Final answer
    x = 73,641.19

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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.