Home / 149,605.11-206,467.38-85,094.55

Finding the Fourth Proportional to 149,605.11, 206,467.38 and 85,094.55

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Solution

The fourth proportional to 149,605.11, 206,467.38 and 85,094.55 is: 117,437.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,605.11 : 206,467.38 = 85,094.55 : x
  2. Step 2: Convert to fraction form
    149,605.11/206,467.38 = 85,094.55/x
  3. Step 3: Cross multiply
    149,605.11x = 206,467.38 × 85,094.55
  4. Step 4: Simplify right side
    149,605.11x = 17,569,248,790.78
  5. Step 5: Solve for x
    x = 17,569,248,790.78/149,605.11
  6. Step 6: Final answer
    x = 117,437.49

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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.