Home / 133,781.12-184,626.24-74,165.12

Finding the Fourth Proportional to 133,781.12, 184,626.24 and 74,165.12

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Solution

The fourth proportional to 133,781.12, 184,626.24 and 74,165.12 is: 102,352.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,781.12 : 184,626.24 = 74,165.12 : x
  2. Step 2: Convert to fraction form
    133,781.12/184,626.24 = 74,165.12/x
  3. Step 3: Cross multiply
    133,781.12x = 184,626.24 × 74,165.12
  4. Step 4: Simplify right side
    133,781.12x = 13,692,827,244.75
  5. Step 5: Solve for x
    x = 13,692,827,244.75/133,781.12
  6. Step 6: Final answer
    x = 102,352.46

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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.