Home / 135,509.33-203,311.16-60,637.38

Finding the Fourth Proportional to 135,509.33, 203,311.16 and 60,637.38

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Solution

The fourth proportional to 135,509.33, 203,311.16 and 60,637.38 is: 90,977.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,509.33 : 203,311.16 = 60,637.38 : x
  2. Step 2: Convert to fraction form
    135,509.33/203,311.16 = 60,637.38/x
  3. Step 3: Cross multiply
    135,509.33x = 203,311.16 × 60,637.38
  4. Step 4: Simplify right side
    135,509.33x = 12,328,255,763.97
  5. Step 5: Solve for x
    x = 12,328,255,763.97/135,509.33
  6. Step 6: Final answer
    x = 90,977.18

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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.