Home / 100,132.95-150,260.76-40,155.06

Finding the Fourth Proportional to 100,132.95, 150,260.76 and 40,155.06

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Solution

The fourth proportional to 100,132.95, 150,260.76 and 40,155.06 is: 60,257.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,132.95 : 150,260.76 = 40,155.06 : x
  2. Step 2: Convert to fraction form
    100,132.95/150,260.76 = 40,155.06/x
  3. Step 3: Cross multiply
    100,132.95x = 150,260.76 × 40,155.06
  4. Step 4: Simplify right side
    100,132.95x = 6,033,729,833.45
  5. Step 5: Solve for x
    x = 6,033,729,833.45/100,132.95
  6. Step 6: Final answer
    x = 60,257.19

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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.