Home / 199,722.64-275,619.12-113,677.42

Finding the Fourth Proportional to 199,722.64, 275,619.12 and 113,677.42

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Solution

The fourth proportional to 199,722.64, 275,619.12 and 113,677.42 is: 156,875.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,722.64 : 275,619.12 = 113,677.42 : x
  2. Step 2: Convert to fraction form
    199,722.64/275,619.12 = 113,677.42/x
  3. Step 3: Cross multiply
    199,722.64x = 275,619.12 × 113,677.42
  4. Step 4: Simplify right side
    199,722.64x = 31,331,670,464.27
  5. Step 5: Solve for x
    x = 31,331,670,464.27/199,722.64
  6. Step 6: Final answer
    x = 156,875.91

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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.