Home / 148,434.78-204,818.13-90,261.84

Finding the Fourth Proportional to 148,434.78, 204,818.13 and 90,261.84

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Solution

The fourth proportional to 148,434.78, 204,818.13 and 90,261.84 is: 124,548.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,434.78 : 204,818.13 = 90,261.84 : x
  2. Step 2: Convert to fraction form
    148,434.78/204,818.13 = 90,261.84/x
  3. Step 3: Cross multiply
    148,434.78x = 204,818.13 × 90,261.84
  4. Step 4: Simplify right side
    148,434.78x = 18,487,261,279.16
  5. Step 5: Solve for x
    x = 18,487,261,279.16/148,434.78
  6. Step 6: Final answer
    x = 124,548.04

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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.