Home / 103,134.47-154,716.53-39,116.16

Finding the Fourth Proportional to 103,134.47, 154,716.53 and 39,116.16

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Solution

The fourth proportional to 103,134.47, 154,716.53 and 39,116.16 is: 58,679.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,134.47 : 154,716.53 = 39,116.16 : x
  2. Step 2: Convert to fraction form
    103,134.47/154,716.53 = 39,116.16/x
  3. Step 3: Cross multiply
    103,134.47x = 154,716.53 × 39,116.16
  4. Step 4: Simplify right side
    103,134.47x = 6,051,916,346.54
  5. Step 5: Solve for x
    x = 6,051,916,346.54/103,134.47
  6. Step 6: Final answer
    x = 58,679.86

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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.