Home / 132,538.02-198,772.12-90,410.25

Finding the Fourth Proportional to 132,538.02, 198,772.12 and 90,410.25

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Solution

The fourth proportional to 132,538.02, 198,772.12 and 90,410.25 is: 135,591.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,538.02 : 198,772.12 = 90,410.25 : x
  2. Step 2: Convert to fraction form
    132,538.02/198,772.12 = 90,410.25/x
  3. Step 3: Cross multiply
    132,538.02x = 198,772.12 × 90,410.25
  4. Step 4: Simplify right side
    132,538.02x = 17,971,037,062.23
  5. Step 5: Solve for x
    x = 17,971,037,062.23/132,538.02
  6. Step 6: Final answer
    x = 135,591.56

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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.