Home / 125,091.36-172,626.12-68,506.20

Finding the Fourth Proportional to 125,091.36, 172,626.12 and 68,506.20

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Solution

The fourth proportional to 125,091.36, 172,626.12 and 68,506.20 is: 94,538.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,091.36 : 172,626.12 = 68,506.20 : x
  2. Step 2: Convert to fraction form
    125,091.36/172,626.12 = 68,506.20/x
  3. Step 3: Cross multiply
    125,091.36x = 172,626.12 × 68,506.20
  4. Step 4: Simplify right side
    125,091.36x = 11,825,959,501.94
  5. Step 5: Solve for x
    x = 11,825,959,501.94/125,091.36
  6. Step 6: Final answer
    x = 94,538.58

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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.