Home / 165,911.40-228,916.62-97,929.72

Finding the Fourth Proportional to 165,911.40, 228,916.62 and 97,929.72

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Solution

The fourth proportional to 165,911.40, 228,916.62 and 97,929.72 is: 135,118.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,911.40 : 228,916.62 = 97,929.72 : x
  2. Step 2: Convert to fraction form
    165,911.40/228,916.62 = 97,929.72/x
  3. Step 3: Cross multiply
    165,911.40x = 228,916.62 × 97,929.72
  4. Step 4: Simplify right side
    165,911.40x = 22,417,740,499.95
  5. Step 5: Solve for x
    x = 22,417,740,499.95/165,911.40
  6. Step 6: Final answer
    x = 135,118.75

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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.