Home / 125,301.69-172,920.30-68,718.33

Finding the Fourth Proportional to 125,301.69, 172,920.30 and 68,718.33

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Solution

The fourth proportional to 125,301.69, 172,920.30 and 68,718.33 is: 94,833.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,301.69 : 172,920.30 = 68,718.33 : x
  2. Step 2: Convert to fraction form
    125,301.69/172,920.30 = 68,718.33/x
  3. Step 3: Cross multiply
    125,301.69x = 172,920.30 × 68,718.33
  4. Step 4: Simplify right side
    125,301.69x = 11,882,794,239.10
  5. Step 5: Solve for x
    x = 11,882,794,239.10/125,301.69
  6. Step 6: Final answer
    x = 94,833.47

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1.5x scale

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.