Home / 220,155.08-303,818.94-123,366.15

Finding the Fourth Proportional to 220,155.08, 303,818.94 and 123,366.15

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Solution

The fourth proportional to 220,155.08, 303,818.94 and 123,366.15 is: 170,248.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,155.08 : 303,818.94 = 123,366.15 : x
  2. Step 2: Convert to fraction form
    220,155.08/303,818.94 = 123,366.15/x
  3. Step 3: Cross multiply
    220,155.08x = 303,818.94 × 123,366.15
  4. Step 4: Simplify right side
    220,155.08x = 37,480,972,924.88
  5. Step 5: Solve for x
    x = 37,480,972,924.88/220,155.08
  6. Step 6: Final answer
    x = 170,248.05

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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.