Home / 119,071.62-178,612.92-40,186.56

Finding the Fourth Proportional to 119,071.62, 178,612.92 and 40,186.56

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Solution

The fourth proportional to 119,071.62, 178,612.92 and 40,186.56 is: 60,281.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,071.62 : 178,612.92 = 40,186.56 : x
  2. Step 2: Convert to fraction form
    119,071.62/178,612.92 = 40,186.56/x
  3. Step 3: Cross multiply
    119,071.62x = 178,612.92 × 40,186.56
  4. Step 4: Simplify right side
    119,071.62x = 7,177,838,826.36
  5. Step 5: Solve for x
    x = 7,177,838,826.36/119,071.62
  6. Step 6: Final answer
    x = 60,281.69

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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.