Home / 119,018.49-164,096.06-87,132.03

Finding the Fourth Proportional to 119,018.49, 164,096.06 and 87,132.03

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Solution

The fourth proportional to 119,018.49, 164,096.06 and 87,132.03 is: 120,132.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,018.49 : 164,096.06 = 87,132.03 : x
  2. Step 2: Convert to fraction form
    119,018.49/164,096.06 = 87,132.03/x
  3. Step 3: Cross multiply
    119,018.49x = 164,096.06 × 87,132.03
  4. Step 4: Simplify right side
    119,018.49x = 14,298,022,387.14
  5. Step 5: Solve for x
    x = 14,298,022,387.14/119,018.49
  6. Step 6: Final answer
    x = 120,132.78

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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.