Home / 119,744.11-165,248-66,031.05

Finding the Fourth Proportional to 119,744.11, 165,248 and 66,031.05

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Solution

The fourth proportional to 119,744.11, 165,248 and 66,031.05 is: 91,123.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,744.11 : 165,248 = 66,031.05 : x
  2. Step 2: Convert to fraction form
    119,744.11/165,248 = 66,031.05/x
  3. Step 3: Cross multiply
    119,744.11x = 165,248 × 66,031.05
  4. Step 4: Simplify right side
    119,744.11x = 10,911,498,950.40
  5. Step 5: Solve for x
    x = 10,911,498,950.40/119,744.11
  6. Step 6: Final answer
    x = 91,123.47

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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.