Home / 199,977.64-275,969.29-109,332.16

Finding the Fourth Proportional to 199,977.64, 275,969.29 and 109,332.16

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Solution

The fourth proportional to 199,977.64, 275,969.29 and 109,332.16 is: 150,878.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,977.64 : 275,969.29 = 109,332.16 : x
  2. Step 2: Convert to fraction form
    199,977.64/275,969.29 = 109,332.16/x
  3. Step 3: Cross multiply
    199,977.64x = 275,969.29 × 109,332.16
  4. Step 4: Simplify right side
    199,977.64x = 30,172,318,569.37
  5. Step 5: Solve for x
    x = 30,172,318,569.37/199,977.64
  6. Step 6: Final answer
    x = 150,878.46

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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.