Home / 119,813.91-165,346.29-66,099.57

Finding the Fourth Proportional to 119,813.91, 165,346.29 and 66,099.57

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Solution

The fourth proportional to 119,813.91, 165,346.29 and 66,099.57 is: 91,219.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,813.91 : 165,346.29 = 66,099.57 : x
  2. Step 2: Convert to fraction form
    119,813.91/165,346.29 = 66,099.57/x
  3. Step 3: Cross multiply
    119,813.91x = 165,346.29 × 66,099.57
  4. Step 4: Simplify right side
    119,813.91x = 10,929,318,670.10
  5. Step 5: Solve for x
    x = 10,929,318,670.10/119,813.91
  6. Step 6: Final answer
    x = 91,219.11

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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.