Home / 123,056.60-184,584.90-121,890.20

Finding the Fourth Proportional to 123,056.60, 184,584.90 and 121,890.20

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Solution

The fourth proportional to 123,056.60, 184,584.90 and 121,890.20 is: 182,835.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,056.60 : 184,584.90 = 121,890.20 : x
  2. Step 2: Convert to fraction form
    123,056.60/184,584.90 = 121,890.20/x
  3. Step 3: Cross multiply
    123,056.60x = 184,584.90 × 121,890.20
  4. Step 4: Simplify right side
    123,056.60x = 22,499,090,377.98
  5. Step 5: Solve for x
    x = 22,499,090,377.98/123,056.60
  6. Step 6: Final answer
    x = 182,835.30

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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.