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Finding the Fourth Proportional to 105,704, 158,444.28 and 39,101.36

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Solution

The fourth proportional to 105,704, 158,444.28 and 39,101.36 is: 58,610.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,704 : 158,444.28 = 39,101.36 : x
  2. Step 2: Convert to fraction form
    105,704/158,444.28 = 39,101.36/x
  3. Step 3: Cross multiply
    105,704x = 158,444.28 × 39,101.36
  4. Step 4: Simplify right side
    105,704x = 6,195,386,832.22
  5. Step 5: Solve for x
    x = 6,195,386,832.22/105,704
  6. Step 6: Final answer
    x = 58,610.71

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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.