Home / 123,921.84-185,778.24-53,748.30

Finding the Fourth Proportional to 123,921.84, 185,778.24 and 53,748.30

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Solution

The fourth proportional to 123,921.84, 185,778.24 and 53,748.30 is: 80,577.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,921.84 : 185,778.24 = 53,748.30 : x
  2. Step 2: Convert to fraction form
    123,921.84/185,778.24 = 53,748.30/x
  3. Step 3: Cross multiply
    123,921.84x = 185,778.24 × 53,748.30
  4. Step 4: Simplify right side
    123,921.84x = 9,985,264,576.99
  5. Step 5: Solve for x
    x = 9,985,264,576.99/123,921.84
  6. Step 6: Final answer
    x = 80,577.12

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1.5x scale

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.