Home / 104,815.65-144,648.20-57,071.62

Finding the Fourth Proportional to 104,815.65, 144,648.20 and 57,071.62

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Solution

The fourth proportional to 104,815.65, 144,648.20 and 57,071.62 is: 78,760.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,815.65 : 144,648.20 = 57,071.62 : x
  2. Step 2: Convert to fraction form
    104,815.65/144,648.20 = 57,071.62/x
  3. Step 3: Cross multiply
    104,815.65x = 144,648.20 × 57,071.62
  4. Step 4: Simplify right side
    104,815.65x = 8,255,306,095.48
  5. Step 5: Solve for x
    x = 8,255,306,095.48/104,815.65
  6. Step 6: Final answer
    x = 78,760.24

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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.