Home / 119,554.82-179,532.18-74,680.58

Finding the Fourth Proportional to 119,554.82, 179,532.18 and 74,680.58

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Solution

The fourth proportional to 119,554.82, 179,532.18 and 74,680.58 is: 112,145.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,554.82 : 179,532.18 = 74,680.58 : x
  2. Step 2: Convert to fraction form
    119,554.82/179,532.18 = 74,680.58/x
  3. Step 3: Cross multiply
    119,554.82x = 179,532.18 × 74,680.58
  4. Step 4: Simplify right side
    119,554.82x = 13,407,567,331.06
  5. Step 5: Solve for x
    x = 13,407,567,331.06/119,554.82
  6. Step 6: Final answer
    x = 112,145.77

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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.