Home / 115,732.64-173,598.96-109,822.88

Finding the Fourth Proportional to 115,732.64, 173,598.96 and 109,822.88

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Solution

The fourth proportional to 115,732.64, 173,598.96 and 109,822.88 is: 164,734.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,732.64 : 173,598.96 = 109,822.88 : x
  2. Step 2: Convert to fraction form
    115,732.64/173,598.96 = 109,822.88/x
  3. Step 3: Cross multiply
    115,732.64x = 173,598.96 × 109,822.88
  4. Step 4: Simplify right side
    115,732.64x = 19,065,137,752.20
  5. Step 5: Solve for x
    x = 19,065,137,752.20/115,732.64
  6. Step 6: Final answer
    x = 164,734.32

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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.