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Finding the Fourth Proportional to 108,001, 149,041.38 and 63,289

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Solution

The fourth proportional to 108,001, 149,041.38 and 63,289 is: 87,338.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,001 : 149,041.38 = 63,289 : x
  2. Step 2: Convert to fraction form
    108,001/149,041.38 = 63,289/x
  3. Step 3: Cross multiply
    108,001x = 149,041.38 × 63,289
  4. Step 4: Simplify right side
    108,001x = 9,432,679,898.82
  5. Step 5: Solve for x
    x = 9,432,679,898.82/108,001
  6. Step 6: Final answer
    x = 87,338.82

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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.