Home / 107,822.40-161,733.60-98,145.60

Finding the Fourth Proportional to 107,822.40, 161,733.60 and 98,145.60

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Solution

The fourth proportional to 107,822.40, 161,733.60 and 98,145.60 is: 147,218.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,822.40 : 161,733.60 = 98,145.60 : x
  2. Step 2: Convert to fraction form
    107,822.40/161,733.60 = 98,145.60/x
  3. Step 3: Cross multiply
    107,822.40x = 161,733.60 × 98,145.60
  4. Step 4: Simplify right side
    107,822.40x = 15,873,441,212.16
  5. Step 5: Solve for x
    x = 15,873,441,212.16/107,822.40
  6. Step 6: Final answer
    x = 147,218.40

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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.