Home / 119,864.84-165,363.03-84,078.23

Finding the Fourth Proportional to 119,864.84, 165,363.03 and 84,078.23

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Solution

The fourth proportional to 119,864.84, 165,363.03 and 84,078.23 is: 115,992.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,864.84 : 165,363.03 = 84,078.23 : x
  2. Step 2: Convert to fraction form
    119,864.84/165,363.03 = 84,078.23/x
  3. Step 3: Cross multiply
    119,864.84x = 165,363.03 × 84,078.23
  4. Step 4: Simplify right side
    119,864.84x = 13,903,430,043.02
  5. Step 5: Solve for x
    x = 13,903,430,043.02/119,864.84
  6. Step 6: Final answer
    x = 115,992.57

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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.