Home / 148,818.51-205,327.85-141,338.97

Finding the Fourth Proportional to 148,818.51, 205,327.85 and 141,338.97

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Solution

The fourth proportional to 148,818.51, 205,327.85 and 141,338.97 is: 195,008.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,818.51 : 205,327.85 = 141,338.97 : x
  2. Step 2: Convert to fraction form
    148,818.51/205,327.85 = 141,338.97/x
  3. Step 3: Cross multiply
    148,818.51x = 205,327.85 × 141,338.97
  4. Step 4: Simplify right side
    148,818.51x = 29,020,826,124.62
  5. Step 5: Solve for x
    x = 29,020,826,124.62/148,818.51
  6. Step 6: Final answer
    x = 195,008.18

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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.