Home / 134,246.57-185,288.45-85,156.44

Finding the Fourth Proportional to 134,246.57, 185,288.45 and 85,156.44

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Solution

The fourth proportional to 134,246.57, 185,288.45 and 85,156.44 is: 117,533.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,246.57 : 185,288.45 = 85,156.44 : x
  2. Step 2: Convert to fraction form
    134,246.57/185,288.45 = 85,156.44/x
  3. Step 3: Cross multiply
    134,246.57x = 185,288.45 × 85,156.44
  4. Step 4: Simplify right side
    134,246.57x = 15,778,504,775.12
  5. Step 5: Solve for x
    x = 15,778,504,775.12/134,246.57
  6. Step 6: Final answer
    x = 117,533.76

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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.