Home / 103,319.92-142,544.82-67,530.59

Finding the Fourth Proportional to 103,319.92, 142,544.82 and 67,530.59

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Solution

The fourth proportional to 103,319.92, 142,544.82 and 67,530.59 is: 93,168.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,319.92 : 142,544.82 = 67,530.59 : x
  2. Step 2: Convert to fraction form
    103,319.92/142,544.82 = 67,530.59/x
  3. Step 3: Cross multiply
    103,319.92x = 142,544.82 × 67,530.59
  4. Step 4: Simplify right side
    103,319.92x = 9,626,135,796.04
  5. Step 5: Solve for x
    x = 9,626,135,796.04/103,319.92
  6. Step 6: Final answer
    x = 93,168.25

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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.