Home / 107,945.60-161,918.40-88,246.40

Finding the Fourth Proportional to 107,945.60, 161,918.40 and 88,246.40

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Solution

The fourth proportional to 107,945.60, 161,918.40 and 88,246.40 is: 132,369.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,945.60 : 161,918.40 = 88,246.40 : x
  2. Step 2: Convert to fraction form
    107,945.60/161,918.40 = 88,246.40/x
  3. Step 3: Cross multiply
    107,945.60x = 161,918.40 × 88,246.40
  4. Step 4: Simplify right side
    107,945.60x = 14,288,715,893.76
  5. Step 5: Solve for x
    x = 14,288,715,893.76/107,945.60
  6. Step 6: Final answer
    x = 132,369.60

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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.