Home / 149,351.42-206,087.16-84,820.24

Finding the Fourth Proportional to 149,351.42, 206,087.16 and 84,820.24

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Solution

The fourth proportional to 149,351.42, 206,087.16 and 84,820.24 is: 117,041.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,351.42 : 206,087.16 = 84,820.24 : x
  2. Step 2: Convert to fraction form
    149,351.42/206,087.16 = 84,820.24/x
  3. Step 3: Cross multiply
    149,351.42x = 206,087.16 × 84,820.24
  4. Step 4: Simplify right side
    149,351.42x = 17,480,362,372.12
  5. Step 5: Solve for x
    x = 17,480,362,372.12/149,351.42
  6. Step 6: Final answer
    x = 117,041.82

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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.