Home / 137,578.29-206,346.15-56,533.53

Finding the Fourth Proportional to 137,578.29, 206,346.15 and 56,533.53

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Solution

The fourth proportional to 137,578.29, 206,346.15 and 56,533.53 is: 84,791.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,578.29 : 206,346.15 = 56,533.53 : x
  2. Step 2: Convert to fraction form
    137,578.29/206,346.15 = 56,533.53/x
  3. Step 3: Cross multiply
    137,578.29x = 206,346.15 × 56,533.53
  4. Step 4: Simplify right side
    137,578.29x = 11,665,476,261.41
  5. Step 5: Solve for x
    x = 11,665,476,261.41/137,578.29
  6. Step 6: Final answer
    x = 84,791.55

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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.