Home / 135,258.40-202,887.60-51,005.60

Finding the Fourth Proportional to 135,258.40, 202,887.60 and 51,005.60

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Solution

The fourth proportional to 135,258.40, 202,887.60 and 51,005.60 is: 76,508.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,258.40 : 202,887.60 = 51,005.60 : x
  2. Step 2: Convert to fraction form
    135,258.40/202,887.60 = 51,005.60/x
  3. Step 3: Cross multiply
    135,258.40x = 202,887.60 × 51,005.60
  4. Step 4: Simplify right side
    135,258.40x = 10,348,403,770.56
  5. Step 5: Solve for x
    x = 10,348,403,770.56/135,258.40
  6. Step 6: Final answer
    x = 76,508.40

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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.