Home / 119,863.32-165,421.98-66,159.96

Finding the Fourth Proportional to 119,863.32, 165,421.98 and 66,159.96

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Solution

The fourth proportional to 119,863.32, 165,421.98 and 66,159.96 is: 91,306.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,863.32 : 165,421.98 = 66,159.96 : x
  2. Step 2: Convert to fraction form
    119,863.32/165,421.98 = 66,159.96/x
  3. Step 3: Cross multiply
    119,863.32x = 165,421.98 × 66,159.96
  4. Step 4: Simplify right side
    119,863.32x = 10,944,311,579.92
  5. Step 5: Solve for x
    x = 10,944,311,579.92/119,863.32
  6. Step 6: Final answer
    x = 91,306.59

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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.