Home / 107,624.40-161,436.60-68,258.40

Finding the Fourth Proportional to 107,624.40, 161,436.60 and 68,258.40

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Solution

The fourth proportional to 107,624.40, 161,436.60 and 68,258.40 is: 102,387.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,624.40 : 161,436.60 = 68,258.40 : x
  2. Step 2: Convert to fraction form
    107,624.40/161,436.60 = 68,258.40/x
  3. Step 3: Cross multiply
    107,624.40x = 161,436.60 × 68,258.40
  4. Step 4: Simplify right side
    107,624.40x = 11,019,404,017.44
  5. Step 5: Solve for x
    x = 11,019,404,017.44/107,624.40
  6. Step 6: Final answer
    x = 102,387.60

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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.