Home / 119,876.16-165,378.69-84,089.55

Finding the Fourth Proportional to 119,876.16, 165,378.69 and 84,089.55

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Solution

The fourth proportional to 119,876.16, 165,378.69 and 84,089.55 is: 116,008.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,876.16 : 165,378.69 = 84,089.55 : x
  2. Step 2: Convert to fraction form
    119,876.16/165,378.69 = 84,089.55/x
  3. Step 3: Cross multiply
    119,876.16x = 165,378.69 × 84,089.55
  4. Step 4: Simplify right side
    119,876.16x = 13,906,619,621.69
  5. Step 5: Solve for x
    x = 13,906,619,621.69/119,876.16
  6. Step 6: Final answer
    x = 116,008.22

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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.