Home / 119,744.35-165,248.36-66,031.27

Finding the Fourth Proportional to 119,744.35, 165,248.36 and 66,031.27

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Solution

The fourth proportional to 119,744.35, 165,248.36 and 66,031.27 is: 91,123.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,744.35 : 165,248.36 = 66,031.27 : x
  2. Step 2: Convert to fraction form
    119,744.35/165,248.36 = 66,031.27/x
  3. Step 3: Cross multiply
    119,744.35x = 165,248.36 × 66,031.27
  4. Step 4: Simplify right side
    119,744.35x = 10,911,559,076.22
  5. Step 5: Solve for x
    x = 10,911,559,076.22/119,744.35
  6. Step 6: Final answer
    x = 91,123.79

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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.