Home / 155,983.53-215,257.32-88,014.92

Finding the Fourth Proportional to 155,983.53, 215,257.32 and 88,014.92

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Solution

The fourth proportional to 155,983.53, 215,257.32 and 88,014.92 is: 121,460.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,983.53 : 215,257.32 = 88,014.92 : x
  2. Step 2: Convert to fraction form
    155,983.53/215,257.32 = 88,014.92/x
  3. Step 3: Cross multiply
    155,983.53x = 215,257.32 × 88,014.92
  4. Step 4: Simplify right side
    155,983.53x = 18,945,854,722.93
  5. Step 5: Solve for x
    x = 18,945,854,722.93/155,983.53
  6. Step 6: Final answer
    x = 121,460.61

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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.