Home / 119,631.66-165,099.18-65,916.66

Finding the Fourth Proportional to 119,631.66, 165,099.18 and 65,916.66

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Solution

The fourth proportional to 119,631.66, 165,099.18 and 65,916.66 is: 90,969.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,631.66 : 165,099.18 = 65,916.66 : x
  2. Step 2: Convert to fraction form
    119,631.66/165,099.18 = 65,916.66/x
  3. Step 3: Cross multiply
    119,631.66x = 165,099.18 × 65,916.66
  4. Step 4: Simplify right side
    119,631.66x = 10,882,786,514.34
  5. Step 5: Solve for x
    x = 10,882,786,514.34/119,631.66
  6. Step 6: Final answer
    x = 90,969.12

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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.