Home / 123,118.50-184,702.05-38,891.66

Finding the Fourth Proportional to 123,118.50, 184,702.05 and 38,891.66

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Solution

The fourth proportional to 123,118.50, 184,702.05 and 38,891.66 is: 58,345.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,118.50 : 184,702.05 = 38,891.66 : x
  2. Step 2: Convert to fraction form
    123,118.50/184,702.05 = 38,891.66/x
  3. Step 3: Cross multiply
    123,118.50x = 184,702.05 × 38,891.66
  4. Step 4: Simplify right side
    123,118.50x = 7,183,369,791.66
  5. Step 5: Solve for x
    x = 7,183,369,791.66/123,118.50
  6. Step 6: Final answer
    x = 58,345.17

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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.