Home / 126,036.14-173,928.48-71,587.94

Finding the Fourth Proportional to 126,036.14, 173,928.48 and 71,587.94

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Solution

The fourth proportional to 126,036.14, 173,928.48 and 71,587.94 is: 98,790.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,036.14 : 173,928.48 = 71,587.94 : x
  2. Step 2: Convert to fraction form
    126,036.14/173,928.48 = 71,587.94/x
  3. Step 3: Cross multiply
    126,036.14x = 173,928.48 × 71,587.94
  4. Step 4: Simplify right side
    126,036.14x = 12,451,181,590.53
  5. Step 5: Solve for x
    x = 12,451,181,590.53/126,036.14
  6. Step 6: Final answer
    x = 98,790.57

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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.