Home / 159,172.83-219,508.34-104,628.65

Finding the Fourth Proportional to 159,172.83, 219,508.34 and 104,628.65

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Solution

The fourth proportional to 159,172.83, 219,508.34 and 104,628.65 is: 144,288.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,172.83 : 219,508.34 = 104,628.65 : x
  2. Step 2: Convert to fraction form
    159,172.83/219,508.34 = 104,628.65/x
  3. Step 3: Cross multiply
    159,172.83x = 219,508.34 × 104,628.65
  4. Step 4: Simplify right side
    159,172.83x = 22,966,859,657.26
  5. Step 5: Solve for x
    x = 22,966,859,657.26/159,172.83
  6. Step 6: Final answer
    x = 144,288.82

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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.