Home / 247,150.39-370,592.20-112,140.78

Finding the Fourth Proportional to 247,150.39, 370,592.20 and 112,140.78

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Solution

The fourth proportional to 247,150.39, 370,592.20 and 112,140.78 is: 168,150.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,150.39 : 370,592.20 = 112,140.78 : x
  2. Step 2: Convert to fraction form
    247,150.39/370,592.20 = 112,140.78/x
  3. Step 3: Cross multiply
    247,150.39x = 370,592.20 × 112,140.78
  4. Step 4: Simplify right side
    247,150.39x = 41,558,498,089.56
  5. Step 5: Solve for x
    x = 41,558,498,089.56/247,150.39
  6. Step 6: Final answer
    x = 168,150.65

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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.