Home / 135,284.80-186,767.44-101,280.96

Finding the Fourth Proportional to 135,284.80, 186,767.44 and 101,280.96

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Solution

The fourth proportional to 135,284.80, 186,767.44 and 101,280.96 is: 139,823.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,284.80 : 186,767.44 = 101,280.96 : x
  2. Step 2: Convert to fraction form
    135,284.80/186,767.44 = 101,280.96/x
  3. Step 3: Cross multiply
    135,284.80x = 186,767.44 × 101,280.96
  4. Step 4: Simplify right side
    135,284.80x = 18,915,985,619.94
  5. Step 5: Solve for x
    x = 18,915,985,619.94/135,284.80
  6. Step 6: Final answer
    x = 139,823.44

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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.