Home / 149,666.28-206,598.36-101,945.94

Finding the Fourth Proportional to 149,666.28, 206,598.36 and 101,945.94

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Solution

The fourth proportional to 149,666.28, 206,598.36 and 101,945.94 is: 140,725.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,666.28 : 206,598.36 = 101,945.94 : x
  2. Step 2: Convert to fraction form
    149,666.28/206,598.36 = 101,945.94/x
  3. Step 3: Cross multiply
    149,666.28x = 206,598.36 × 101,945.94
  4. Step 4: Simplify right side
    149,666.28x = 21,061,864,012.66
  5. Step 5: Solve for x
    x = 21,061,864,012.66/149,666.28
  6. Step 6: Final answer
    x = 140,725.51

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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.