Home / 149,659.14-206,563.42-101,931.50

Finding the Fourth Proportional to 149,659.14, 206,563.42 and 101,931.50

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Solution

The fourth proportional to 149,659.14, 206,563.42 and 101,931.50 is: 140,688.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,659.14 : 206,563.42 = 101,931.50 : x
  2. Step 2: Convert to fraction form
    149,659.14/206,563.42 = 101,931.50/x
  3. Step 3: Cross multiply
    149,659.14x = 206,563.42 × 101,931.50
  4. Step 4: Simplify right side
    149,659.14x = 21,055,319,245.73
  5. Step 5: Solve for x
    x = 21,055,319,245.73/149,659.14
  6. Step 6: Final answer
    x = 140,688.50

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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.