Home / 126,302.32-188,972.34-112,305.52

Finding the Fourth Proportional to 126,302.32, 188,972.34 and 112,305.52

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Solution

The fourth proportional to 126,302.32, 188,972.34 and 112,305.52 is: 168,030.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,302.32 : 188,972.34 = 112,305.52 : x
  2. Step 2: Convert to fraction form
    126,302.32/188,972.34 = 112,305.52/x
  3. Step 3: Cross multiply
    126,302.32x = 188,972.34 × 112,305.52
  4. Step 4: Simplify right side
    126,302.32x = 21,222,636,909.32
  5. Step 5: Solve for x
    x = 21,222,636,909.32/126,302.32
  6. Step 6: Final answer
    x = 168,030.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.