Home / 251,153.85-376,755.66-80,332.65

Finding the Fourth Proportional to 251,153.85, 376,755.66 and 80,332.65

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Solution

The fourth proportional to 251,153.85, 376,755.66 and 80,332.65 is: 120,506.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,153.85 : 376,755.66 = 80,332.65 : x
  2. Step 2: Convert to fraction form
    251,153.85/376,755.66 = 80,332.65/x
  3. Step 3: Cross multiply
    251,153.85x = 376,755.66 × 80,332.65
  4. Step 4: Simplify right side
    251,153.85x = 30,265,780,570.30
  5. Step 5: Solve for x
    x = 30,265,780,570.30/251,153.85
  6. Step 6: Final answer
    x = 120,506.93

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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.