Home / 229,761.92-317,087.52-134,279.12

Finding the Fourth Proportional to 229,761.92, 317,087.52 and 134,279.12

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Solution

The fourth proportional to 229,761.92, 317,087.52 and 134,279.12 is: 185,314.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,761.92 : 317,087.52 = 134,279.12 : x
  2. Step 2: Convert to fraction form
    229,761.92/317,087.52 = 134,279.12/x
  3. Step 3: Cross multiply
    229,761.92x = 317,087.52 × 134,279.12
  4. Step 4: Simplify right side
    229,761.92x = 42,578,233,148.58
  5. Step 5: Solve for x
    x = 42,578,233,148.58/229,761.92
  6. Step 6: Final answer
    x = 185,314.58

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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.