Home / 125,112.29-172,667.32-71,405.33

Finding the Fourth Proportional to 125,112.29, 172,667.32 and 71,405.33

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Solution

The fourth proportional to 125,112.29, 172,667.32 and 71,405.33 is: 98,546.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,112.29 : 172,667.32 = 71,405.33 : x
  2. Step 2: Convert to fraction form
    125,112.29/172,667.32 = 71,405.33/x
  3. Step 3: Cross multiply
    125,112.29x = 172,667.32 × 71,405.33
  4. Step 4: Simplify right side
    125,112.29x = 12,329,365,922.97
  5. Step 5: Solve for x
    x = 12,329,365,922.97/125,112.29
  6. Step 6: Final answer
    x = 98,546.41

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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.