Home / 183,427.20-275,140.80-90,115.20

Finding the Fourth Proportional to 183,427.20, 275,140.80 and 90,115.20

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Solution

The fourth proportional to 183,427.20, 275,140.80 and 90,115.20 is: 135,172.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,427.20 : 275,140.80 = 90,115.20 : x
  2. Step 2: Convert to fraction form
    183,427.20/275,140.80 = 90,115.20/x
  3. Step 3: Cross multiply
    183,427.20x = 275,140.80 × 90,115.20
  4. Step 4: Simplify right side
    183,427.20x = 24,794,368,220.16
  5. Step 5: Solve for x
    x = 24,794,368,220.16/183,427.20
  6. Step 6: Final answer
    x = 135,172.80

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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.