Home / 133,028.90-199,608.15-101,428.10

Finding the Fourth Proportional to 133,028.90, 199,608.15 and 101,428.10

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Solution

The fourth proportional to 133,028.90, 199,608.15 and 101,428.10 is: 152,191.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,028.90 : 199,608.15 = 101,428.10 : x
  2. Step 2: Convert to fraction form
    133,028.90/199,608.15 = 101,428.10/x
  3. Step 3: Cross multiply
    133,028.90x = 199,608.15 × 101,428.10
  4. Step 4: Simplify right side
    133,028.90x = 20,245,875,399.02
  5. Step 5: Solve for x
    x = 20,245,875,399.02/133,028.90
  6. Step 6: Final answer
    x = 152,191.56

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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.