Home / 231,103.72-346,716.06-97,989.40

Finding the Fourth Proportional to 231,103.72, 346,716.06 and 97,989.40

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Solution

The fourth proportional to 231,103.72, 346,716.06 and 97,989.40 is: 147,009.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,103.72 : 346,716.06 = 97,989.40 : x
  2. Step 2: Convert to fraction form
    231,103.72/346,716.06 = 97,989.40/x
  3. Step 3: Cross multiply
    231,103.72x = 346,716.06 × 97,989.40
  4. Step 4: Simplify right side
    231,103.72x = 33,974,498,689.76
  5. Step 5: Solve for x
    x = 33,974,498,689.76/231,103.72
  6. Step 6: Final answer
    x = 147,009.74

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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.