Home / 148,746.61-205,201.65-88,282.95

Finding the Fourth Proportional to 148,746.61, 205,201.65 and 88,282.95

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Solution

The fourth proportional to 148,746.61, 205,201.65 and 88,282.95 is: 121,789.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,746.61 : 205,201.65 = 88,282.95 : x
  2. Step 2: Convert to fraction form
    148,746.61/205,201.65 = 88,282.95/x
  3. Step 3: Cross multiply
    148,746.61x = 205,201.65 × 88,282.95
  4. Step 4: Simplify right side
    148,746.61x = 18,115,807,006.87
  5. Step 5: Solve for x
    x = 18,115,807,006.87/148,746.61
  6. Step 6: Final answer
    x = 121,789.71

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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.