Home / 135,938.40-203,907.24-89,180.16

Finding the Fourth Proportional to 135,938.40, 203,907.24 and 89,180.16

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Solution

The fourth proportional to 135,938.40, 203,907.24 and 89,180.16 is: 133,770.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,938.40 : 203,907.24 = 89,180.16 : x
  2. Step 2: Convert to fraction form
    135,938.40/203,907.24 = 89,180.16/x
  3. Step 3: Cross multiply
    135,938.40x = 203,907.24 × 89,180.16
  4. Step 4: Simplify right side
    135,938.40x = 18,184,480,288.36
  5. Step 5: Solve for x
    x = 18,184,480,288.36/135,938.40
  6. Step 6: Final answer
    x = 133,770.00

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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.