Home / 110,165.17-165,196.72-89,053.33

Finding the Fourth Proportional to 110,165.17, 165,196.72 and 89,053.33

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Solution

The fourth proportional to 110,165.17, 165,196.72 and 89,053.33 is: 133,538.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,165.17 : 165,196.72 = 89,053.33 : x
  2. Step 2: Convert to fraction form
    110,165.17/165,196.72 = 89,053.33/x
  3. Step 3: Cross multiply
    110,165.17x = 165,196.72 × 89,053.33
  4. Step 4: Simplify right side
    110,165.17x = 14,711,318,021.08
  5. Step 5: Solve for x
    x = 14,711,318,021.08/110,165.17
  6. Step 6: Final answer
    x = 133,538.74

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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.