Home / 147,691.20-221,536.80-49,195.20

Finding the Fourth Proportional to 147,691.20, 221,536.80 and 49,195.20

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Solution

The fourth proportional to 147,691.20, 221,536.80 and 49,195.20 is: 73,792.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,691.20 : 221,536.80 = 49,195.20 : x
  2. Step 2: Convert to fraction form
    147,691.20/221,536.80 = 49,195.20/x
  3. Step 3: Cross multiply
    147,691.20x = 221,536.80 × 49,195.20
  4. Step 4: Simplify right side
    147,691.20x = 10,898,547,183.36
  5. Step 5: Solve for x
    x = 10,898,547,183.36/147,691.20
  6. Step 6: Final answer
    x = 73,792.80

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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.