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Finding the Fourth Proportional to 100,818, 151,252.02 and 41,670.72

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Solution

The fourth proportional to 100,818, 151,252.02 and 41,670.72 is: 62,516.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,818 : 151,252.02 = 41,670.72 : x
  2. Step 2: Convert to fraction form
    100,818/151,252.02 = 41,670.72/x
  3. Step 3: Cross multiply
    100,818x = 151,252.02 × 41,670.72
  4. Step 4: Simplify right side
    100,818x = 6,302,780,574.85
  5. Step 5: Solve for x
    x = 6,302,780,574.85/100,818
  6. Step 6: Final answer
    x = 62,516.42

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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.