Home / 119,582.65-165,025.11-65,869.53

Finding the Fourth Proportional to 119,582.65, 165,025.11 and 65,869.53

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Solution

The fourth proportional to 119,582.65, 165,025.11 and 65,869.53 is: 90,900.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,582.65 : 165,025.11 = 65,869.53 : x
  2. Step 2: Convert to fraction form
    119,582.65/165,025.11 = 65,869.53/x
  3. Step 3: Cross multiply
    119,582.65x = 165,025.11 × 65,869.53
  4. Step 4: Simplify right side
    119,582.65x = 10,870,126,433.90
  5. Step 5: Solve for x
    x = 10,870,126,433.90/119,582.65
  6. Step 6: Final answer
    x = 90,900.53

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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.