Home / 119,716.54-165,228.33-72,018.10

Finding the Fourth Proportional to 119,716.54, 165,228.33 and 72,018.10

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Solution

The fourth proportional to 119,716.54, 165,228.33 and 72,018.10 is: 99,396.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,716.54 : 165,228.33 = 72,018.10 : x
  2. Step 2: Convert to fraction form
    119,716.54/165,228.33 = 72,018.10/x
  3. Step 3: Cross multiply
    119,716.54x = 165,228.33 × 72,018.10
  4. Step 4: Simplify right side
    119,716.54x = 11,899,430,392.77
  5. Step 5: Solve for x
    x = 11,899,430,392.77/119,716.54
  6. Step 6: Final answer
    x = 99,396.71

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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.