Home / 310,790.03-466,138.89-86,127.03

Finding the Fourth Proportional to 310,790.03, 466,138.89 and 86,127.03

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Solution

The fourth proportional to 310,790.03, 466,138.89 and 86,127.03 is: 129,177.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,790.03 : 466,138.89 = 86,127.03 : x
  2. Step 2: Convert to fraction form
    310,790.03/466,138.89 = 86,127.03/x
  3. Step 3: Cross multiply
    310,790.03x = 466,138.89 × 86,127.03
  4. Step 4: Simplify right side
    310,790.03x = 40,147,158,163.20
  5. Step 5: Solve for x
    x = 40,147,158,163.20/310,790.03
  6. Step 6: Final answer
    x = 129,177.76

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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.