Home / 149,306.02-206,044.55-81,326.14

Finding the Fourth Proportional to 149,306.02, 206,044.55 and 81,326.14

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Solution

The fourth proportional to 149,306.02, 206,044.55 and 81,326.14 is: 112,231.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,306.02 : 206,044.55 = 81,326.14 : x
  2. Step 2: Convert to fraction form
    149,306.02/206,044.55 = 81,326.14/x
  3. Step 3: Cross multiply
    149,306.02x = 206,044.55 × 81,326.14
  4. Step 4: Simplify right side
    149,306.02x = 16,756,807,919.54
  5. Step 5: Solve for x
    x = 16,756,807,919.54/149,306.02
  6. Step 6: Final answer
    x = 112,231.29

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1.5x scale

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.