Home / 119,885.24-165,441.30-66,169.91

Finding the Fourth Proportional to 119,885.24, 165,441.30 and 66,169.91

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Solution

The fourth proportional to 119,885.24, 165,441.30 and 66,169.91 is: 91,314.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,885.24 : 165,441.30 = 66,169.91 : x
  2. Step 2: Convert to fraction form
    119,885.24/165,441.30 = 66,169.91/x
  3. Step 3: Cross multiply
    119,885.24x = 165,441.30 × 66,169.91
  4. Step 4: Simplify right side
    119,885.24x = 10,947,235,931.28
  5. Step 5: Solve for x
    x = 10,947,235,931.28/119,885.24
  6. Step 6: Final answer
    x = 91,314.29

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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.