Home / 135,384.30-203,020.56-51,130.13

Finding the Fourth Proportional to 135,384.30, 203,020.56 and 51,130.13

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Solution

The fourth proportional to 135,384.30, 203,020.56 and 51,130.13 is: 76,674.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,384.30 : 203,020.56 = 51,130.13 : x
  2. Step 2: Convert to fraction form
    135,384.30/203,020.56 = 51,130.13/x
  3. Step 3: Cross multiply
    135,384.30x = 203,020.56 × 51,130.13
  4. Step 4: Simplify right side
    135,384.30x = 10,380,466,610.37
  5. Step 5: Solve for x
    x = 10,380,466,610.37/135,384.30
  6. Step 6: Final answer
    x = 76,674.08

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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.