Home / 155,929.52-215,181.48-90,524.41

Finding the Fourth Proportional to 155,929.52, 215,181.48 and 90,524.41

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Solution

The fourth proportional to 155,929.52, 215,181.48 and 90,524.41 is: 124,922.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,929.52 : 215,181.48 = 90,524.41 : x
  2. Step 2: Convert to fraction form
    155,929.52/215,181.48 = 90,524.41/x
  3. Step 3: Cross multiply
    155,929.52x = 215,181.48 × 90,524.41
  4. Step 4: Simplify right side
    155,929.52x = 19,479,177,290.45
  5. Step 5: Solve for x
    x = 19,479,177,290.45/155,929.52
  6. Step 6: Final answer
    x = 124,922.96

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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.