Home / 231,223.64-346,509.45-109,515.06

Finding the Fourth Proportional to 231,223.64, 346,509.45 and 109,515.06

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Solution

The fourth proportional to 231,223.64, 346,509.45 and 109,515.06 is: 164,118.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,223.64 : 346,509.45 = 109,515.06 : x
  2. Step 2: Convert to fraction form
    231,223.64/346,509.45 = 109,515.06/x
  3. Step 3: Cross multiply
    231,223.64x = 346,509.45 × 109,515.06
  4. Step 4: Simplify right side
    231,223.64x = 37,948,003,207.32
  5. Step 5: Solve for x
    x = 37,948,003,207.32/231,223.64
  6. Step 6: Final answer
    x = 164,118.18

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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.