Home / 209,764.46-289,472.33-114,269.10

Finding the Fourth Proportional to 209,764.46, 289,472.33 and 114,269.10

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Solution

The fourth proportional to 209,764.46, 289,472.33 and 114,269.10 is: 157,689.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,764.46 : 289,472.33 = 114,269.10 : x
  2. Step 2: Convert to fraction form
    209,764.46/289,472.33 = 114,269.10/x
  3. Step 3: Cross multiply
    209,764.46x = 289,472.33 × 114,269.10
  4. Step 4: Simplify right side
    209,764.46x = 33,077,742,624.00
  5. Step 5: Solve for x
    x = 33,077,742,624.00/209,764.46
  6. Step 6: Final answer
    x = 157,689.93

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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.