Home / 204,009.40-306,062.70-98,741.80

Finding the Fourth Proportional to 204,009.40, 306,062.70 and 98,741.80

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Solution

The fourth proportional to 204,009.40, 306,062.70 and 98,741.80 is: 148,136.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,009.40 : 306,062.70 = 98,741.80 : x
  2. Step 2: Convert to fraction form
    204,009.40/306,062.70 = 98,741.80/x
  3. Step 3: Cross multiply
    204,009.40x = 306,062.70 × 98,741.80
  4. Step 4: Simplify right side
    204,009.40x = 30,221,181,910.86
  5. Step 5: Solve for x
    x = 30,221,181,910.86/204,009.40
  6. Step 6: Final answer
    x = 148,136.22

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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.