Home / 137,454.50-206,009.53-74,272.07

Finding the Fourth Proportional to 137,454.50, 206,009.53 and 74,272.07

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Solution

The fourth proportional to 137,454.50, 206,009.53 and 74,272.07 is: 111,315.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,454.50 : 206,009.53 = 74,272.07 : x
  2. Step 2: Convert to fraction form
    137,454.50/206,009.53 = 74,272.07/x
  3. Step 3: Cross multiply
    137,454.50x = 206,009.53 × 74,272.07
  4. Step 4: Simplify right side
    137,454.50x = 15,300,754,562.17
  5. Step 5: Solve for x
    x = 15,300,754,562.17/137,454.50
  6. Step 6: Final answer
    x = 111,315.05

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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.