Home / 149,527.40-206,352.42-85,877.96

Finding the Fourth Proportional to 149,527.40, 206,352.42 and 85,877.96

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Solution

The fourth proportional to 149,527.40, 206,352.42 and 85,877.96 is: 118,514.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,527.40 : 206,352.42 = 85,877.96 : x
  2. Step 2: Convert to fraction form
    149,527.40/206,352.42 = 85,877.96/x
  3. Step 3: Cross multiply
    149,527.40x = 206,352.42 × 85,877.96
  4. Step 4: Simplify right side
    149,527.40x = 17,721,124,870.66
  5. Step 5: Solve for x
    x = 17,721,124,870.66/149,527.40
  6. Step 6: Final answer
    x = 118,514.23

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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.