Home / 193,741.40-290,612.10-169,635.80

Finding the Fourth Proportional to 193,741.40, 290,612.10 and 169,635.80

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Solution

The fourth proportional to 193,741.40, 290,612.10 and 169,635.80 is: 254,453.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,741.40 : 290,612.10 = 169,635.80 : x
  2. Step 2: Convert to fraction form
    193,741.40/290,612.10 = 169,635.80/x
  3. Step 3: Cross multiply
    193,741.40x = 290,612.10 × 169,635.80
  4. Step 4: Simplify right side
    193,741.40x = 49,298,216,073.18
  5. Step 5: Solve for x
    x = 49,298,216,073.18/193,741.40
  6. Step 6: Final answer
    x = 254,453.70

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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.