Home / 131,506.04-181,469.22-74,147.40

Finding the Fourth Proportional to 131,506.04, 181,469.22 and 74,147.40

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Solution

The fourth proportional to 131,506.04, 181,469.22 and 74,147.40 is: 102,318.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,506.04 : 181,469.22 = 74,147.40 : x
  2. Step 2: Convert to fraction form
    131,506.04/181,469.22 = 74,147.40/x
  3. Step 3: Cross multiply
    131,506.04x = 181,469.22 × 74,147.40
  4. Step 4: Simplify right side
    131,506.04x = 13,455,470,843.03
  5. Step 5: Solve for x
    x = 13,455,470,843.03/131,506.04
  6. Step 6: Final answer
    x = 102,318.27

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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.