Home / 119,687.05-165,150.33-68,701.70

Finding the Fourth Proportional to 119,687.05, 165,150.33 and 68,701.70

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Solution

The fourth proportional to 119,687.05, 165,150.33 and 68,701.70 is: 94,798.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,687.05 : 165,150.33 = 68,701.70 : x
  2. Step 2: Convert to fraction form
    119,687.05/165,150.33 = 68,701.70/x
  3. Step 3: Cross multiply
    119,687.05x = 165,150.33 × 68,701.70
  4. Step 4: Simplify right side
    119,687.05x = 11,346,108,581.81
  5. Step 5: Solve for x
    x = 11,346,108,581.81/119,687.05
  6. Step 6: Final answer
    x = 94,798.13

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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.