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Finding the Fourth Proportional to 143,937.68, 216,093.62 and 110,681.10

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Solution

The fourth proportional to 143,937.68, 216,093.62 and 110,681.10 is: 166,165.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,937.68 : 216,093.62 = 110,681.10 : x
  2. Step 2: Convert to fraction form
    143,937.68/216,093.62 = 110,681.10/x
  3. Step 3: Cross multiply
    143,937.68x = 216,093.62 × 110,681.10
  4. Step 4: Simplify right side
    143,937.68x = 23,917,479,564.58
  5. Step 5: Solve for x
    x = 23,917,479,564.58/143,937.68
  6. Step 6: Final answer
    x = 166,165.52

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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.