Home / 155,350.93-214,382.24-87,367.88

Finding the Fourth Proportional to 155,350.93, 214,382.24 and 87,367.88

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Solution

The fourth proportional to 155,350.93, 214,382.24 and 87,367.88 is: 120,566.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,350.93 : 214,382.24 = 87,367.88 : x
  2. Step 2: Convert to fraction form
    155,350.93/214,382.24 = 87,367.88/x
  3. Step 3: Cross multiply
    155,350.93x = 214,382.24 × 87,367.88
  4. Step 4: Simplify right side
    155,350.93x = 18,730,121,818.45
  5. Step 5: Solve for x
    x = 18,730,121,818.45/155,350.93
  6. Step 6: Final answer
    x = 120,566.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.