Home / 72,235.62-108,274.32-37,177.20

Finding the Fourth Proportional to 72,235.62, 108,274.32 and 37,177.20

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Solution

The fourth proportional to 72,235.62, 108,274.32 and 37,177.20 is: 55,725.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,235.62 : 108,274.32 = 37,177.20 : x
  2. Step 2: Convert to fraction form
    72,235.62/108,274.32 = 37,177.20/x
  3. Step 3: Cross multiply
    72,235.62x = 108,274.32 × 37,177.20
  4. Step 4: Simplify right side
    72,235.62x = 4,025,336,049.50
  5. Step 5: Solve for x
    x = 4,025,336,049.50/72,235.62
  6. Step 6: Final answer
    x = 55,725.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.