Home / 148,888.09-205,572.82-91,604.48

Finding the Fourth Proportional to 148,888.09, 205,572.82 and 91,604.48

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Solution

The fourth proportional to 148,888.09, 205,572.82 and 91,604.48 is: 126,480.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,888.09 : 205,572.82 = 91,604.48 : x
  2. Step 2: Convert to fraction form
    148,888.09/205,572.82 = 91,604.48/x
  3. Step 3: Cross multiply
    148,888.09x = 205,572.82 × 91,604.48
  4. Step 4: Simplify right side
    148,888.09x = 18,831,391,278.23
  5. Step 5: Solve for x
    x = 18,831,391,278.23/148,888.09
  6. Step 6: Final answer
    x = 126,480.18

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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.