Home / 123,020.10-184,530.15-121,983.30

Finding the Fourth Proportional to 123,020.10, 184,530.15 and 121,983.30

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Solution

The fourth proportional to 123,020.10, 184,530.15 and 121,983.30 is: 182,974.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,020.10 : 184,530.15 = 121,983.30 : x
  2. Step 2: Convert to fraction form
    123,020.10/184,530.15 = 121,983.30/x
  3. Step 3: Cross multiply
    123,020.10x = 184,530.15 × 121,983.30
  4. Step 4: Simplify right side
    123,020.10x = 22,509,596,646.50
  5. Step 5: Solve for x
    x = 22,509,596,646.50/123,020.10
  6. Step 6: Final answer
    x = 182,974.95

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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.