Home / 100,132.02-150,197.31-40,187.52

Finding the Fourth Proportional to 100,132.02, 150,197.31 and 40,187.52

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Solution

The fourth proportional to 100,132.02, 150,197.31 and 40,187.52 is: 60,280.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,132.02 : 150,197.31 = 40,187.52 : x
  2. Step 2: Convert to fraction form
    100,132.02/150,197.31 = 40,187.52/x
  3. Step 3: Cross multiply
    100,132.02x = 150,197.31 × 40,187.52
  4. Step 4: Simplify right side
    100,132.02x = 6,036,057,399.57
  5. Step 5: Solve for x
    x = 6,036,057,399.57/100,132.02
  6. Step 6: Final answer
    x = 60,280.99

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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.