Home / 147,889.38-221,730.18-51,803.10

Finding the Fourth Proportional to 147,889.38, 221,730.18 and 51,803.10

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Solution

The fourth proportional to 147,889.38, 221,730.18 and 51,803.10 is: 77,668.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,889.38 : 221,730.18 = 51,803.10 : x
  2. Step 2: Convert to fraction form
    147,889.38/221,730.18 = 51,803.10/x
  3. Step 3: Cross multiply
    147,889.38x = 221,730.18 × 51,803.10
  4. Step 4: Simplify right side
    147,889.38x = 11,486,310,687.56
  5. Step 5: Solve for x
    x = 11,486,310,687.56/147,889.38
  6. Step 6: Final answer
    x = 77,668.26

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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.