Home / 123,015.60-184,596.30-81,016.10

Finding the Fourth Proportional to 123,015.60, 184,596.30 and 81,016.10

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Solution

The fourth proportional to 123,015.60, 184,596.30 and 81,016.10 is: 121,572.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,015.60 : 184,596.30 = 81,016.10 : x
  2. Step 2: Convert to fraction form
    123,015.60/184,596.30 = 81,016.10/x
  3. Step 3: Cross multiply
    123,015.60x = 184,596.30 × 81,016.10
  4. Step 4: Simplify right side
    123,015.60x = 14,955,271,377.45
  5. Step 5: Solve for x
    x = 14,955,271,377.45/123,015.60
  6. Step 6: Final answer
    x = 121,572.15

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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.