Home / 179,630.42-247,889.88-103,154.52

Finding the Fourth Proportional to 179,630.42, 247,889.88 and 103,154.52

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Solution

The fourth proportional to 179,630.42, 247,889.88 and 103,154.52 is: 142,353.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,630.42 : 247,889.88 = 103,154.52 : x
  2. Step 2: Convert to fraction form
    179,630.42/247,889.88 = 103,154.52/x
  3. Step 3: Cross multiply
    179,630.42x = 247,889.88 × 103,154.52
  4. Step 4: Simplify right side
    179,630.42x = 25,570,961,584.26
  5. Step 5: Solve for x
    x = 25,570,961,584.26/179,630.42
  6. Step 6: Final answer
    x = 142,353.18

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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.