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Finding the Fourth Proportional to 167,148.81, 250,760.13 and 61,967.78

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Solution

The fourth proportional to 167,148.81, 250,760.13 and 61,967.78 is: 92,965.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,148.81 : 250,760.13 = 61,967.78 : x
  2. Step 2: Convert to fraction form
    167,148.81/250,760.13 = 61,967.78/x
  3. Step 3: Cross multiply
    167,148.81x = 250,760.13 × 61,967.78
  4. Step 4: Simplify right side
    167,148.81x = 15,539,048,022.78
  5. Step 5: Solve for x
    x = 15,539,048,022.78/167,148.81
  6. Step 6: Final answer
    x = 92,965.35

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1.5x scale

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.