Home / 123,149.15-184,725.54-81,297.26

Finding the Fourth Proportional to 123,149.15, 184,725.54 and 81,297.26

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Solution

The fourth proportional to 123,149.15, 184,725.54 and 81,297.26 is: 121,947.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,149.15 : 184,725.54 = 81,297.26 : x
  2. Step 2: Convert to fraction form
    123,149.15/184,725.54 = 81,297.26/x
  3. Step 3: Cross multiply
    123,149.15x = 184,725.54 × 81,297.26
  4. Step 4: Simplify right side
    123,149.15x = 15,017,680,254.02
  5. Step 5: Solve for x
    x = 15,017,680,254.02/123,149.15
  6. Step 6: Final answer
    x = 121,947.09

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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.