Home / 179,619.60-247,891.62-103,148.70

Finding the Fourth Proportional to 179,619.60, 247,891.62 and 103,148.70

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Solution

The fourth proportional to 179,619.60, 247,891.62 and 103,148.70 is: 142,354.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,619.60 : 247,891.62 = 103,148.70 : x
  2. Step 2: Convert to fraction form
    179,619.60/247,891.62 = 103,148.70/x
  3. Step 3: Cross multiply
    179,619.60x = 247,891.62 × 103,148.70
  4. Step 4: Simplify right side
    179,619.60x = 25,569,698,343.89
  5. Step 5: Solve for x
    x = 25,569,698,343.89/179,619.60
  6. Step 6: Final answer
    x = 142,354.72

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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.