Home / 199,378.14-275,130.86-113,325.16

Finding the Fourth Proportional to 199,378.14, 275,130.86 and 113,325.16

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Solution

The fourth proportional to 199,378.14, 275,130.86 and 113,325.16 is: 156,382.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,378.14 : 275,130.86 = 113,325.16 : x
  2. Step 2: Convert to fraction form
    199,378.14/275,130.86 = 113,325.16/x
  3. Step 3: Cross multiply
    199,378.14x = 275,130.86 × 113,325.16
  4. Step 4: Simplify right side
    199,378.14x = 31,179,247,354.78
  5. Step 5: Solve for x
    x = 31,179,247,354.78/199,378.14
  6. Step 6: Final answer
    x = 156,382.48

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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.