Home / 135,362.40-203,004.18-40,588.80

Finding the Fourth Proportional to 135,362.40, 203,004.18 and 40,588.80

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Solution

The fourth proportional to 135,362.40, 203,004.18 and 40,588.80 is: 60,871.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,362.40 : 203,004.18 = 40,588.80 : x
  2. Step 2: Convert to fraction form
    135,362.40/203,004.18 = 40,588.80/x
  3. Step 3: Cross multiply
    135,362.40x = 203,004.18 × 40,588.80
  4. Step 4: Simplify right side
    135,362.40x = 8,239,696,061.18
  5. Step 5: Solve for x
    x = 8,239,696,061.18/135,362.40
  6. Step 6: Final answer
    x = 60,871.38

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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.