Home / 221,149.42-305,177.16-124,350.52

Finding the Fourth Proportional to 221,149.42, 305,177.16 and 124,350.52

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Solution

The fourth proportional to 221,149.42, 305,177.16 and 124,350.52 is: 171,598.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,149.42 : 305,177.16 = 124,350.52 : x
  2. Step 2: Convert to fraction form
    221,149.42/305,177.16 = 124,350.52/x
  3. Step 3: Cross multiply
    221,149.42x = 305,177.16 × 124,350.52
  4. Step 4: Simplify right side
    221,149.42x = 37,948,938,538.12
  5. Step 5: Solve for x
    x = 37,948,938,538.12/221,149.42
  6. Step 6: Final answer
    x = 171,598.63

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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.