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Finding the Fourth Proportional to 174,668.40, 241,071.36 and 103,065.96

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Solution

The fourth proportional to 174,668.40, 241,071.36 and 103,065.96 is: 142,248.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,668.40 : 241,071.36 = 103,065.96 : x
  2. Step 2: Convert to fraction form
    174,668.40/241,071.36 = 103,065.96/x
  3. Step 3: Cross multiply
    174,668.40x = 241,071.36 × 103,065.96
  4. Step 4: Simplify right side
    174,668.40x = 24,846,251,146.91
  5. Step 5: Solve for x
    x = 24,846,251,146.91/174,668.40
  6. Step 6: Final answer
    x = 142,248.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.