Home / 147,943.70-222,061.35-73,148.30

Finding the Fourth Proportional to 147,943.70, 222,061.35 and 73,148.30

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Solution

The fourth proportional to 147,943.70, 222,061.35 and 73,148.30 is: 109,794.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,943.70 : 222,061.35 = 73,148.30 : x
  2. Step 2: Convert to fraction form
    147,943.70/222,061.35 = 73,148.30/x
  3. Step 3: Cross multiply
    147,943.70x = 222,061.35 × 73,148.30
  4. Step 4: Simplify right side
    147,943.70x = 16,243,410,248.21
  5. Step 5: Solve for x
    x = 16,243,410,248.21/147,943.70
  6. Step 6: Final answer
    x = 109,794.54

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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.