Home / 119,908.40-165,471.60-66,192.03

Finding the Fourth Proportional to 119,908.40, 165,471.60 and 66,192.03

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Solution

The fourth proportional to 119,908.40, 165,471.60 and 66,192.03 is: 91,343.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,908.40 : 165,471.60 = 66,192.03 : x
  2. Step 2: Convert to fraction form
    119,908.40/165,471.60 = 66,192.03/x
  3. Step 3: Cross multiply
    119,908.40x = 165,471.60 × 66,192.03
  4. Step 4: Simplify right side
    119,908.40x = 10,952,901,111.35
  5. Step 5: Solve for x
    x = 10,952,901,111.35/119,908.40
  6. Step 6: Final answer
    x = 91,343.91

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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.