Home / 185,936.64-278,519.36-90,880.64

Finding the Fourth Proportional to 185,936.64, 278,519.36 and 90,880.64

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Solution

The fourth proportional to 185,936.64, 278,519.36 and 90,880.64 is: 136,132.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,936.64 : 278,519.36 = 90,880.64 : x
  2. Step 2: Convert to fraction form
    185,936.64/278,519.36 = 90,880.64/x
  3. Step 3: Cross multiply
    185,936.64x = 278,519.36 × 90,880.64
  4. Step 4: Simplify right side
    185,936.64x = 25,312,017,689.19
  5. Step 5: Solve for x
    x = 25,312,017,689.19/185,936.64
  6. Step 6: Final answer
    x = 136,132.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.