Home / 135,460.76-203,189.65-40,686.84

Finding the Fourth Proportional to 135,460.76, 203,189.65 and 40,686.84

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Solution

The fourth proportional to 135,460.76, 203,189.65 and 40,686.84 is: 61,029.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,460.76 : 203,189.65 = 40,686.84 : x
  2. Step 2: Convert to fraction form
    135,460.76/203,189.65 = 40,686.84/x
  3. Step 3: Cross multiply
    135,460.76x = 203,189.65 × 40,686.84
  4. Step 4: Simplify right side
    135,460.76x = 8,267,144,677.49
  5. Step 5: Solve for x
    x = 8,267,144,677.49/135,460.76
  6. Step 6: Final answer
    x = 61,029.81

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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.