Home / 137,445.35-206,173.47-65,380.95

Finding the Fourth Proportional to 137,445.35, 206,173.47 and 65,380.95

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Solution

The fourth proportional to 137,445.35, 206,173.47 and 65,380.95 is: 98,074.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,445.35 : 206,173.47 = 65,380.95 : x
  2. Step 2: Convert to fraction form
    137,445.35/206,173.47 = 65,380.95/x
  3. Step 3: Cross multiply
    137,445.35x = 206,173.47 × 65,380.95
  4. Step 4: Simplify right side
    137,445.35x = 13,479,817,333.40
  5. Step 5: Solve for x
    x = 13,479,817,333.40/137,445.35
  6. Step 6: Final answer
    x = 98,074.02

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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.