Home / 126,064.32-173,965.55-68,705.12

Finding the Fourth Proportional to 126,064.32, 173,965.55 and 68,705.12

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Solution

The fourth proportional to 126,064.32, 173,965.55 and 68,705.12 is: 94,811.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,064.32 : 173,965.55 = 68,705.12 : x
  2. Step 2: Convert to fraction form
    126,064.32/173,965.55 = 68,705.12/x
  3. Step 3: Cross multiply
    126,064.32x = 173,965.55 × 68,705.12
  4. Step 4: Simplify right side
    126,064.32x = 11,952,323,988.62
  5. Step 5: Solve for x
    x = 11,952,323,988.62/126,064.32
  6. Step 6: Final answer
    x = 94,811.32

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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.