Home / 159,493.43-220,192.56-105,851.18

Finding the Fourth Proportional to 159,493.43, 220,192.56 and 105,851.18

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Solution

The fourth proportional to 159,493.43, 220,192.56 and 105,851.18 is: 146,135.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,493.43 : 220,192.56 = 105,851.18 : x
  2. Step 2: Convert to fraction form
    159,493.43/220,192.56 = 105,851.18/x
  3. Step 3: Cross multiply
    159,493.43x = 220,192.56 × 105,851.18
  4. Step 4: Simplify right side
    159,493.43x = 23,307,641,202.26
  5. Step 5: Solve for x
    x = 23,307,641,202.26/159,493.43
  6. Step 6: Final answer
    x = 146,135.44

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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.