Home / 100,190.40-150,285.60-25,310.76

Finding the Fourth Proportional to 100,190.40, 150,285.60 and 25,310.76

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Solution

The fourth proportional to 100,190.40, 150,285.60 and 25,310.76 is: 37,966.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,190.40 : 150,285.60 = 25,310.76 : x
  2. Step 2: Convert to fraction form
    100,190.40/150,285.60 = 25,310.76/x
  3. Step 3: Cross multiply
    100,190.40x = 150,285.60 × 25,310.76
  4. Step 4: Simplify right side
    100,190.40x = 3,803,842,753.06
  5. Step 5: Solve for x
    x = 3,803,842,753.06/100,190.40
  6. Step 6: Final answer
    x = 37,966.14

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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.