Home / 134,542.01-185,669.21-74,114.80

Finding the Fourth Proportional to 134,542.01, 185,669.21 and 74,114.80

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Solution

The fourth proportional to 134,542.01, 185,669.21 and 74,114.80 is: 102,279.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,542.01 : 185,669.21 = 74,114.80 : x
  2. Step 2: Convert to fraction form
    134,542.01/185,669.21 = 74,114.80/x
  3. Step 3: Cross multiply
    134,542.01x = 185,669.21 × 74,114.80
  4. Step 4: Simplify right side
    134,542.01x = 13,760,836,086.42
  5. Step 5: Solve for x
    x = 13,760,836,086.42/134,542.01
  6. Step 6: Final answer
    x = 102,279.10

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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.