Home / 134,587.44-185,729.75-74,156.69

Finding the Fourth Proportional to 134,587.44, 185,729.75 and 74,156.69

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Solution

The fourth proportional to 134,587.44, 185,729.75 and 74,156.69 is: 102,335.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,587.44 : 185,729.75 = 74,156.69 : x
  2. Step 2: Convert to fraction form
    134,587.44/185,729.75 = 74,156.69/x
  3. Step 3: Cross multiply
    134,587.44x = 185,729.75 × 74,156.69
  4. Step 4: Simplify right side
    134,587.44x = 13,773,102,195.10
  5. Step 5: Solve for x
    x = 13,773,102,195.10/134,587.44
  6. Step 6: Final answer
    x = 102,335.72

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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.