Home / 135,977.40-203,966.10-133,061.40

Finding the Fourth Proportional to 135,977.40, 203,966.10 and 133,061.40

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Solution

The fourth proportional to 135,977.40, 203,966.10 and 133,061.40 is: 199,592.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,977.40 : 203,966.10 = 133,061.40 : x
  2. Step 2: Convert to fraction form
    135,977.40/203,966.10 = 133,061.40/x
  3. Step 3: Cross multiply
    135,977.40x = 203,966.10 × 133,061.40
  4. Step 4: Simplify right side
    135,977.40x = 27,140,014,818.54
  5. Step 5: Solve for x
    x = 27,140,014,818.54/135,977.40
  6. Step 6: Final answer
    x = 199,592.10

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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.