Home / 133,614.20-200,421.30-82,875.80

Finding the Fourth Proportional to 133,614.20, 200,421.30 and 82,875.80

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Solution

The fourth proportional to 133,614.20, 200,421.30 and 82,875.80 is: 124,313.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,614.20 : 200,421.30 = 82,875.80 : x
  2. Step 2: Convert to fraction form
    133,614.20/200,421.30 = 82,875.80/x
  3. Step 3: Cross multiply
    133,614.20x = 200,421.30 × 82,875.80
  4. Step 4: Simplify right side
    133,614.20x = 16,610,075,574.54
  5. Step 5: Solve for x
    x = 16,610,075,574.54/133,614.20
  6. Step 6: Final answer
    x = 124,313.70

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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.