Home / 125,039.16-172,556.46-68,449.32

Finding the Fourth Proportional to 125,039.16, 172,556.46 and 68,449.32

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Solution

The fourth proportional to 125,039.16, 172,556.46 and 68,449.32 is: 94,461.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,039.16 : 172,556.46 = 68,449.32 : x
  2. Step 2: Convert to fraction form
    125,039.16/172,556.46 = 68,449.32/x
  3. Step 3: Cross multiply
    125,039.16x = 172,556.46 × 68,449.32
  4. Step 4: Simplify right side
    125,039.16x = 11,811,372,348.61
  5. Step 5: Solve for x
    x = 11,811,372,348.61/125,039.16
  6. Step 6: Final answer
    x = 94,461.39

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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.