Home / 119,159.20-164,429.40-68,161.60

Finding the Fourth Proportional to 119,159.20, 164,429.40 and 68,161.60

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Solution

The fourth proportional to 119,159.20, 164,429.40 and 68,161.60 is: 94,057.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,159.20 : 164,429.40 = 68,161.60 : x
  2. Step 2: Convert to fraction form
    119,159.20/164,429.40 = 68,161.60/x
  3. Step 3: Cross multiply
    119,159.20x = 164,429.40 × 68,161.60
  4. Step 4: Simplify right side
    119,159.20x = 11,207,770,991.04
  5. Step 5: Solve for x
    x = 11,207,770,991.04/119,159.20
  6. Step 6: Final answer
    x = 94,057.12

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1.5x scale

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.