Home / 132,010.40-198,015.60-43,266.80

Finding the Fourth Proportional to 132,010.40, 198,015.60 and 43,266.80

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Solution

The fourth proportional to 132,010.40, 198,015.60 and 43,266.80 is: 64,900.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,010.40 : 198,015.60 = 43,266.80 : x
  2. Step 2: Convert to fraction form
    132,010.40/198,015.60 = 43,266.80/x
  3. Step 3: Cross multiply
    132,010.40x = 198,015.60 × 43,266.80
  4. Step 4: Simplify right side
    132,010.40x = 8,567,501,362.08
  5. Step 5: Solve for x
    x = 8,567,501,362.08/132,010.40
  6. Step 6: Final answer
    x = 64,900.20

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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.