Home / 199,368.27-275,128.67-113,327.81

Finding the Fourth Proportional to 199,368.27, 275,128.67 and 113,327.81

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Solution

The fourth proportional to 199,368.27, 275,128.67 and 113,327.81 is: 156,392.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,368.27 : 275,128.67 = 113,327.81 : x
  2. Step 2: Convert to fraction form
    199,368.27/275,128.67 = 113,327.81/x
  3. Step 3: Cross multiply
    199,368.27x = 275,128.67 × 113,327.81
  4. Step 4: Simplify right side
    199,368.27x = 31,179,727,697.03
  5. Step 5: Solve for x
    x = 31,179,727,697.03/199,368.27
  6. Step 6: Final answer
    x = 156,392.63

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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.