Home / 179,703.20-247,971.21-99,130.73

Finding the Fourth Proportional to 179,703.20, 247,971.21 and 99,130.73

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Solution

The fourth proportional to 179,703.20, 247,971.21 and 99,130.73 is: 136,789.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,703.20 : 247,971.21 = 99,130.73 : x
  2. Step 2: Convert to fraction form
    179,703.20/247,971.21 = 99,130.73/x
  3. Step 3: Cross multiply
    179,703.20x = 247,971.21 × 99,130.73
  4. Step 4: Simplify right side
    179,703.20x = 24,581,565,826.43
  5. Step 5: Solve for x
    x = 24,581,565,826.43/179,703.20
  6. Step 6: Final answer
    x = 136,789.81

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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.