Home / 137,720.58-206,581.79-37,891.32

Finding the Fourth Proportional to 137,720.58, 206,581.79 and 37,891.32

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Solution

The fourth proportional to 137,720.58, 206,581.79 and 37,891.32 is: 56,837.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,720.58 : 206,581.79 = 37,891.32 : x
  2. Step 2: Convert to fraction form
    137,720.58/206,581.79 = 37,891.32/x
  3. Step 3: Cross multiply
    137,720.58x = 206,581.79 × 37,891.32
  4. Step 4: Simplify right side
    137,720.58x = 7,827,656,711.06
  5. Step 5: Solve for x
    x = 7,827,656,711.06/137,720.58
  6. Step 6: Final answer
    x = 56,837.23

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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.