Home / 134,966.70-202,450.05-90,729.90

Finding the Fourth Proportional to 134,966.70, 202,450.05 and 90,729.90

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Solution

The fourth proportional to 134,966.70, 202,450.05 and 90,729.90 is: 136,094.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,966.70 : 202,450.05 = 90,729.90 : x
  2. Step 2: Convert to fraction form
    134,966.70/202,450.05 = 90,729.90/x
  3. Step 3: Cross multiply
    134,966.70x = 202,450.05 × 90,729.90
  4. Step 4: Simplify right side
    134,966.70x = 18,368,272,791.50
  5. Step 5: Solve for x
    x = 18,368,272,791.50/134,966.70
  6. Step 6: Final answer
    x = 136,094.85

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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.