Home / 133,380.18-184,057.74-72,939.06

Finding the Fourth Proportional to 133,380.18, 184,057.74 and 72,939.06

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Solution

The fourth proportional to 133,380.18, 184,057.74 and 72,939.06 is: 100,652.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,380.18 : 184,057.74 = 72,939.06 : x
  2. Step 2: Convert to fraction form
    133,380.18/184,057.74 = 72,939.06/x
  3. Step 3: Cross multiply
    133,380.18x = 184,057.74 × 72,939.06
  4. Step 4: Simplify right side
    133,380.18x = 13,424,998,541.32
  5. Step 5: Solve for x
    x = 13,424,998,541.32/133,380.18
  6. Step 6: Final answer
    x = 100,652.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.