Home / 137,568.47-206,175.07-61,611.51

Finding the Fourth Proportional to 137,568.47, 206,175.07 and 61,611.51

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Solution

The fourth proportional to 137,568.47, 206,175.07 and 61,611.51 is: 92,337.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,568.47 : 206,175.07 = 61,611.51 : x
  2. Step 2: Convert to fraction form
    137,568.47/206,175.07 = 61,611.51/x
  3. Step 3: Cross multiply
    137,568.47x = 206,175.07 × 61,611.51
  4. Step 4: Simplify right side
    137,568.47x = 12,702,757,079.00
  5. Step 5: Solve for x
    x = 12,702,757,079.00/137,568.47
  6. Step 6: Final answer
    x = 92,337.71

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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.