Home / 206,870.72-285,551.52-134,372.48

Finding the Fourth Proportional to 206,870.72, 285,551.52 and 134,372.48

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Solution

The fourth proportional to 206,870.72, 285,551.52 and 134,372.48 is: 185,479.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,870.72 : 285,551.52 = 134,372.48 : x
  2. Step 2: Convert to fraction form
    206,870.72/285,551.52 = 134,372.48/x
  3. Step 3: Cross multiply
    206,870.72x = 285,551.52 × 134,372.48
  4. Step 4: Simplify right side
    206,870.72x = 38,370,265,910.17
  5. Step 5: Solve for x
    x = 38,370,265,910.17/206,870.72
  6. Step 6: Final answer
    x = 185,479.44

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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.