Home / 165,913.65-228,919.73-97,931.97

Finding the Fourth Proportional to 165,913.65, 228,919.73 and 97,931.97

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Solution

The fourth proportional to 165,913.65, 228,919.73 and 97,931.97 is: 135,121.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,913.65 : 228,919.73 = 97,931.97 : x
  2. Step 2: Convert to fraction form
    165,913.65/228,919.73 = 97,931.97/x
  3. Step 3: Cross multiply
    165,913.65x = 228,919.73 × 97,931.97
  4. Step 4: Simplify right side
    165,913.65x = 22,418,559,641.11
  5. Step 5: Solve for x
    x = 22,418,559,641.11/165,913.65
  6. Step 6: Final answer
    x = 135,121.85

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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.