Home / 180,100.63-269,909.46-140,167.83

Finding the Fourth Proportional to 180,100.63, 269,909.46 and 140,167.83

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Solution

The fourth proportional to 180,100.63, 269,909.46 and 140,167.83 is: 210,063.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,100.63 : 269,909.46 = 140,167.83 : x
  2. Step 2: Convert to fraction form
    180,100.63/269,909.46 = 140,167.83/x
  3. Step 3: Cross multiply
    180,100.63x = 269,909.46 × 140,167.83
  4. Step 4: Simplify right side
    180,100.63x = 37,832,623,304.67
  5. Step 5: Solve for x
    x = 37,832,623,304.67/180,100.63
  6. Step 6: Final answer
    x = 210,063.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.