Home / 133,791.12-184,640.04-74,175.12

Finding the Fourth Proportional to 133,791.12, 184,640.04 and 74,175.12

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Solution

The fourth proportional to 133,791.12, 184,640.04 and 74,175.12 is: 102,366.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,791.12 : 184,640.04 = 74,175.12 : x
  2. Step 2: Convert to fraction form
    133,791.12/184,640.04 = 74,175.12/x
  3. Step 3: Cross multiply
    133,791.12x = 184,640.04 × 74,175.12
  4. Step 4: Simplify right side
    133,791.12x = 13,695,697,123.80
  5. Step 5: Solve for x
    x = 13,695,697,123.80/133,791.12
  6. Step 6: Final answer
    x = 102,366.26

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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.