Home / 217,539.25-300,204.98-126,957.76

Finding the Fourth Proportional to 217,539.25, 300,204.98 and 126,957.76

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Solution

The fourth proportional to 217,539.25, 300,204.98 and 126,957.76 is: 175,202.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,539.25 : 300,204.98 = 126,957.76 : x
  2. Step 2: Convert to fraction form
    217,539.25/300,204.98 = 126,957.76/x
  3. Step 3: Cross multiply
    217,539.25x = 300,204.98 × 126,957.76
  4. Step 4: Simplify right side
    217,539.25x = 38,113,351,801.64
  5. Step 5: Solve for x
    x = 38,113,351,801.64/217,539.25
  6. Step 6: Final answer
    x = 175,202.18

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1.5x scale

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.