Home / 149,284.55-206,055.06-98,334.47

Finding the Fourth Proportional to 149,284.55, 206,055.06 and 98,334.47

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Solution

The fourth proportional to 149,284.55, 206,055.06 and 98,334.47 is: 135,729.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,284.55 : 206,055.06 = 98,334.47 : x
  2. Step 2: Convert to fraction form
    149,284.55/206,055.06 = 98,334.47/x
  3. Step 3: Cross multiply
    149,284.55x = 206,055.06 × 98,334.47
  4. Step 4: Simplify right side
    149,284.55x = 20,262,315,115.92
  5. Step 5: Solve for x
    x = 20,262,315,115.92/149,284.55
  6. Step 6: Final answer
    x = 135,729.49

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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.