Home / 103,309.29-142,544.61-67,551.84

Finding the Fourth Proportional to 103,309.29, 142,544.61 and 67,551.84

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Solution

The fourth proportional to 103,309.29, 142,544.61 and 67,551.84 is: 93,207.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,309.29 : 142,544.61 = 67,551.84 : x
  2. Step 2: Convert to fraction form
    103,309.29/142,544.61 = 67,551.84/x
  3. Step 3: Cross multiply
    103,309.29x = 142,544.61 × 67,551.84
  4. Step 4: Simplify right side
    103,309.29x = 9,629,150,687.58
  5. Step 5: Solve for x
    x = 9,629,150,687.58/103,309.29
  6. Step 6: Final answer
    x = 93,207.02

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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.