Home / 179,339.20-247,509.92-107,756.80

Finding the Fourth Proportional to 179,339.20, 247,509.92 and 107,756.80

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Solution

The fourth proportional to 179,339.20, 247,509.92 and 107,756.80 is: 148,717.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,339.20 : 247,509.92 = 107,756.80 : x
  2. Step 2: Convert to fraction form
    179,339.20/247,509.92 = 107,756.80/x
  3. Step 3: Cross multiply
    179,339.20x = 247,509.92 × 107,756.80
  4. Step 4: Simplify right side
    179,339.20x = 26,670,876,947.46
  5. Step 5: Solve for x
    x = 26,670,876,947.46/179,339.20
  6. Step 6: Final answer
    x = 148,717.50

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1.5x scale

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.