Home / 149,679.67-206,359.45-124,089.43

Finding the Fourth Proportional to 149,679.67, 206,359.45 and 124,089.43

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Solution

The fourth proportional to 149,679.67, 206,359.45 and 124,089.43 is: 171,078.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,679.67 : 206,359.45 = 124,089.43 : x
  2. Step 2: Convert to fraction form
    149,679.67/206,359.45 = 124,089.43/x
  3. Step 3: Cross multiply
    149,679.67x = 206,359.45 × 124,089.43
  4. Step 4: Simplify right side
    149,679.67x = 25,607,026,525.61
  5. Step 5: Solve for x
    x = 25,607,026,525.61/149,679.67
  6. Step 6: Final answer
    x = 171,078.85

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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.