Home / 98,310.86-147,441.85-42,144.61

Finding the Fourth Proportional to 98,310.86, 147,441.85 and 42,144.61

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Solution

The fourth proportional to 98,310.86, 147,441.85 and 42,144.61 is: 63,206.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,310.86 : 147,441.85 = 42,144.61 : x
  2. Step 2: Convert to fraction form
    98,310.86/147,441.85 = 42,144.61/x
  3. Step 3: Cross multiply
    98,310.86x = 147,441.85 × 42,144.61
  4. Step 4: Simplify right side
    98,310.86x = 6,213,878,791.96
  5. Step 5: Solve for x
    x = 6,213,878,791.96/98,310.86
  6. Step 6: Final answer
    x = 63,206.43

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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.