Home / 172,275.30-237,720.89-103,361.12

Finding the Fourth Proportional to 172,275.30, 237,720.89 and 103,361.12

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Solution

The fourth proportional to 172,275.30, 237,720.89 and 103,361.12 is: 142,626.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,275.30 : 237,720.89 = 103,361.12 : x
  2. Step 2: Convert to fraction form
    172,275.30/237,720.89 = 103,361.12/x
  3. Step 3: Cross multiply
    172,275.30x = 237,720.89 × 103,361.12
  4. Step 4: Simplify right side
    172,275.30x = 24,571,095,732.39
  5. Step 5: Solve for x
    x = 24,571,095,732.39/172,275.30
  6. Step 6: Final answer
    x = 142,626.92

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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.