Home / 207,569.80-310,836.30-137,067.40

Finding the Fourth Proportional to 207,569.80, 310,836.30 and 137,067.40

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Solution

The fourth proportional to 207,569.80, 310,836.30 and 137,067.40 is: 205,258.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,569.80 : 310,836.30 = 137,067.40 : x
  2. Step 2: Convert to fraction form
    207,569.80/310,836.30 = 137,067.40/x
  3. Step 3: Cross multiply
    207,569.80x = 310,836.30 × 137,067.40
  4. Step 4: Simplify right side
    207,569.80x = 42,605,523,466.62
  5. Step 5: Solve for x
    x = 42,605,523,466.62/207,569.80
  6. Step 6: Final answer
    x = 205,258.78

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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.