Home / 125,482.68-173,116.71-71,738.82

Finding the Fourth Proportional to 125,482.68, 173,116.71 and 71,738.82

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Solution

The fourth proportional to 125,482.68, 173,116.71 and 71,738.82 is: 98,971.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,482.68 : 173,116.71 = 71,738.82 : x
  2. Step 2: Convert to fraction form
    125,482.68/173,116.71 = 71,738.82/x
  3. Step 3: Cross multiply
    125,482.68x = 173,116.71 × 71,738.82
  4. Step 4: Simplify right side
    125,482.68x = 12,419,188,497.68
  5. Step 5: Solve for x
    x = 12,419,188,497.68/125,482.68
  6. Step 6: Final answer
    x = 98,971.34

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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.