Home / 137,685.06-206,352.63-75,282.66

Finding the Fourth Proportional to 137,685.06, 206,352.63 and 75,282.66

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Solution

The fourth proportional to 137,685.06, 206,352.63 and 75,282.66 is: 112,828.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,685.06 : 206,352.63 = 75,282.66 : x
  2. Step 2: Convert to fraction form
    137,685.06/206,352.63 = 75,282.66/x
  3. Step 3: Cross multiply
    137,685.06x = 206,352.63 × 75,282.66
  4. Step 4: Simplify right side
    137,685.06x = 15,534,774,884.40
  5. Step 5: Solve for x
    x = 15,534,774,884.40/137,685.06
  6. Step 6: Final answer
    x = 112,828.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.