Home / 150,242.49-207,268.47-89,782.74

Finding the Fourth Proportional to 150,242.49, 207,268.47 and 89,782.74

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Solution

The fourth proportional to 150,242.49, 207,268.47 and 89,782.74 is: 123,860.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,242.49 : 207,268.47 = 89,782.74 : x
  2. Step 2: Convert to fraction form
    150,242.49/207,268.47 = 89,782.74/x
  3. Step 3: Cross multiply
    150,242.49x = 207,268.47 × 89,782.74
  4. Step 4: Simplify right side
    150,242.49x = 18,609,131,152.21
  5. Step 5: Solve for x
    x = 18,609,131,152.21/150,242.49
  6. Step 6: Final answer
    x = 123,860.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.