Home / 247,080.20-370,620.30-89,313.80

Finding the Fourth Proportional to 247,080.20, 370,620.30 and 89,313.80

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Solution

The fourth proportional to 247,080.20, 370,620.30 and 89,313.80 is: 133,970.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,080.20 : 370,620.30 = 89,313.80 : x
  2. Step 2: Convert to fraction form
    247,080.20/370,620.30 = 89,313.80/x
  3. Step 3: Cross multiply
    247,080.20x = 370,620.30 × 89,313.80
  4. Step 4: Simplify right side
    247,080.20x = 33,101,507,350.14
  5. Step 5: Solve for x
    x = 33,101,507,350.14/247,080.20
  6. Step 6: Final answer
    x = 133,970.70

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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.