Home / 147,585.76-221,377.92-68,656.48

Finding the Fourth Proportional to 147,585.76, 221,377.92 and 68,656.48

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Solution

The fourth proportional to 147,585.76, 221,377.92 and 68,656.48 is: 102,984.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,585.76 : 221,377.92 = 68,656.48 : x
  2. Step 2: Convert to fraction form
    147,585.76/221,377.92 = 68,656.48/x
  3. Step 3: Cross multiply
    147,585.76x = 221,377.92 × 68,656.48
  4. Step 4: Simplify right side
    147,585.76x = 15,199,028,736.92
  5. Step 5: Solve for x
    x = 15,199,028,736.92/147,585.76
  6. Step 6: Final answer
    x = 102,984.39

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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.