Home / 146,570.30-219,707.42-70,557.20

Finding the Fourth Proportional to 146,570.30, 219,707.42 and 70,557.20

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Solution

The fourth proportional to 146,570.30, 219,707.42 and 70,557.20 is: 105,764.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,570.30 : 219,707.42 = 70,557.20 : x
  2. Step 2: Convert to fraction form
    146,570.30/219,707.42 = 70,557.20/x
  3. Step 3: Cross multiply
    146,570.30x = 219,707.42 × 70,557.20
  4. Step 4: Simplify right side
    146,570.30x = 15,501,940,374.42
  5. Step 5: Solve for x
    x = 15,501,940,374.42/146,570.30
  6. Step 6: Final answer
    x = 105,764.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.