Home / 145,418.40-200,678.76-88,829.73

Finding the Fourth Proportional to 145,418.40, 200,678.76 and 88,829.73

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Solution

The fourth proportional to 145,418.40, 200,678.76 and 88,829.73 is: 122,585.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,418.40 : 200,678.76 = 88,829.73 : x
  2. Step 2: Convert to fraction form
    145,418.40/200,678.76 = 88,829.73/x
  3. Step 3: Cross multiply
    145,418.40x = 200,678.76 × 88,829.73
  4. Step 4: Simplify right side
    145,418.40x = 17,826,240,067.53
  5. Step 5: Solve for x
    x = 17,826,240,067.53/145,418.40
  6. Step 6: Final answer
    x = 122,585.86

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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.