Home / 172,948.08-238,727.88-101,351.28

Finding the Fourth Proportional to 172,948.08, 238,727.88 and 101,351.28

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Solution

The fourth proportional to 172,948.08, 238,727.88 and 101,351.28 is: 139,899.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,948.08 : 238,727.88 = 101,351.28 : x
  2. Step 2: Convert to fraction form
    172,948.08/238,727.88 = 101,351.28/x
  3. Step 3: Cross multiply
    172,948.08x = 238,727.88 × 101,351.28
  4. Step 4: Simplify right side
    172,948.08x = 24,195,376,209.69
  5. Step 5: Solve for x
    x = 24,195,376,209.69/172,948.08
  6. Step 6: Final answer
    x = 139,899.65

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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.