Home / 207,943.44-286,960.89-112,449.90

Finding the Fourth Proportional to 207,943.44, 286,960.89 and 112,449.90

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Solution

The fourth proportional to 207,943.44, 286,960.89 and 112,449.90 is: 155,180.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,943.44 : 286,960.89 = 112,449.90 : x
  2. Step 2: Convert to fraction form
    207,943.44/286,960.89 = 112,449.90/x
  3. Step 3: Cross multiply
    207,943.44x = 286,960.89 × 112,449.90
  4. Step 4: Simplify right side
    207,943.44x = 32,268,723,384.41
  5. Step 5: Solve for x
    x = 32,268,723,384.41/207,943.44
  6. Step 6: Final answer
    x = 155,180.29

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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.