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Finding the Fourth Proportional to 167,961.81, 250,713.83 and 148,033.47

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Solution

The fourth proportional to 167,961.81, 250,713.83 and 148,033.47 is: 220,967.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,961.81 : 250,713.83 = 148,033.47 : x
  2. Step 2: Convert to fraction form
    167,961.81/250,713.83 = 148,033.47/x
  3. Step 3: Cross multiply
    167,961.81x = 250,713.83 × 148,033.47
  4. Step 4: Simplify right side
    167,961.81x = 37,114,037,491.72
  5. Step 5: Solve for x
    x = 37,114,037,491.72/167,961.81
  6. Step 6: Final answer
    x = 220,967.12

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.