Home / 132,099.40-198,278.70-65,614.60

Finding the Fourth Proportional to 132,099.40, 198,278.70 and 65,614.60

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Solution

The fourth proportional to 132,099.40, 198,278.70 and 65,614.60 is: 98,486.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,099.40 : 198,278.70 = 65,614.60 : x
  2. Step 2: Convert to fraction form
    132,099.40/198,278.70 = 65,614.60/x
  3. Step 3: Cross multiply
    132,099.40x = 198,278.70 × 65,614.60
  4. Step 4: Simplify right side
    132,099.40x = 13,009,977,589.02
  5. Step 5: Solve for x
    x = 13,009,977,589.02/132,099.40
  6. Step 6: Final answer
    x = 98,486.27

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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.