Home / 131,924.12-182,046.60-84,172.40

Finding the Fourth Proportional to 131,924.12, 182,046.60 and 84,172.40

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Solution

The fourth proportional to 131,924.12, 182,046.60 and 84,172.40 is: 116,152.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,924.12 : 182,046.60 = 84,172.40 : x
  2. Step 2: Convert to fraction form
    131,924.12/182,046.60 = 84,172.40/x
  3. Step 3: Cross multiply
    131,924.12x = 182,046.60 × 84,172.40
  4. Step 4: Simplify right side
    131,924.12x = 15,323,299,233.84
  5. Step 5: Solve for x
    x = 15,323,299,233.84/131,924.12
  6. Step 6: Final answer
    x = 116,152.37

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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.