Home / 149,566.29-206,402.12-81,584.74

Finding the Fourth Proportional to 149,566.29, 206,402.12 and 81,584.74

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Solution

The fourth proportional to 149,566.29, 206,402.12 and 81,584.74 is: 112,587.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,566.29 : 206,402.12 = 81,584.74 : x
  2. Step 2: Convert to fraction form
    149,566.29/206,402.12 = 81,584.74/x
  3. Step 3: Cross multiply
    149,566.29x = 206,402.12 × 81,584.74
  4. Step 4: Simplify right side
    149,566.29x = 16,839,263,295.65
  5. Step 5: Solve for x
    x = 16,839,263,295.65/149,566.29
  6. Step 6: Final answer
    x = 112,587.29

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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.