Home / 179,648.58-247,921.20-99,078.60

Finding the Fourth Proportional to 179,648.58, 247,921.20 and 99,078.60

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Solution

The fourth proportional to 179,648.58, 247,921.20 and 99,078.60 is: 136,731.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,648.58 : 247,921.20 = 99,078.60 : x
  2. Step 2: Convert to fraction form
    179,648.58/247,921.20 = 99,078.60/x
  3. Step 3: Cross multiply
    179,648.58x = 247,921.20 × 99,078.60
  4. Step 4: Simplify right side
    179,648.58x = 24,563,685,406.32
  5. Step 5: Solve for x
    x = 24,563,685,406.32/179,648.58
  6. Step 6: Final answer
    x = 136,731.87

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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.