Home / 136,201.68-204,335.24-42,707.44

Finding the Fourth Proportional to 136,201.68, 204,335.24 and 42,707.44

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Solution

The fourth proportional to 136,201.68, 204,335.24 and 42,707.44 is: 64,071.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,201.68 : 204,335.24 = 42,707.44 : x
  2. Step 2: Convert to fraction form
    136,201.68/204,335.24 = 42,707.44/x
  3. Step 3: Cross multiply
    136,201.68x = 204,335.24 × 42,707.44
  4. Step 4: Simplify right side
    136,201.68x = 8,726,635,002.19
  5. Step 5: Solve for x
    x = 8,726,635,002.19/136,201.68
  6. Step 6: Final answer
    x = 64,071.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.