Home / 137,557.70-206,336.55-118,530.80

Finding the Fourth Proportional to 137,557.70, 206,336.55 and 118,530.80

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Solution

The fourth proportional to 137,557.70, 206,336.55 and 118,530.80 is: 177,796.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,557.70 : 206,336.55 = 118,530.80 : x
  2. Step 2: Convert to fraction form
    137,557.70/206,336.55 = 118,530.80/x
  3. Step 3: Cross multiply
    137,557.70x = 206,336.55 × 118,530.80
  4. Step 4: Simplify right side
    137,557.70x = 24,457,236,340.74
  5. Step 5: Solve for x
    x = 24,457,236,340.74/137,557.70
  6. Step 6: Final answer
    x = 177,796.20

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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.