Home / 149,475.92-206,266.40-84,074.56

Finding the Fourth Proportional to 149,475.92, 206,266.40 and 84,074.56

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Solution

The fourth proportional to 149,475.92, 206,266.40 and 84,074.56 is: 116,017.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,475.92 : 206,266.40 = 84,074.56 : x
  2. Step 2: Convert to fraction form
    149,475.92/206,266.40 = 84,074.56/x
  3. Step 3: Cross multiply
    149,475.92x = 206,266.40 × 84,074.56
  4. Step 4: Simplify right side
    149,475.92x = 17,341,756,202.02
  5. Step 5: Solve for x
    x = 17,341,756,202.02/149,475.92
  6. Step 6: Final answer
    x = 116,017.06

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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.