Home / 119,905.18-165,470.48-66,190.23

Finding the Fourth Proportional to 119,905.18, 165,470.48 and 66,190.23

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Solution

The fourth proportional to 119,905.18, 165,470.48 and 66,190.23 is: 91,343.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,905.18 : 165,470.48 = 66,190.23 : x
  2. Step 2: Convert to fraction form
    119,905.18/165,470.48 = 66,190.23/x
  3. Step 3: Cross multiply
    119,905.18x = 165,470.48 × 66,190.23
  4. Step 4: Simplify right side
    119,905.18x = 10,952,529,046.67
  5. Step 5: Solve for x
    x = 10,952,529,046.67/119,905.18
  6. Step 6: Final answer
    x = 91,343.25

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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.