Home / 119,742.85-165,246.29-66,029.77

Finding the Fourth Proportional to 119,742.85, 165,246.29 and 66,029.77

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Solution

The fourth proportional to 119,742.85, 165,246.29 and 66,029.77 is: 91,121.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,742.85 : 165,246.29 = 66,029.77 : x
  2. Step 2: Convert to fraction form
    119,742.85/165,246.29 = 66,029.77/x
  3. Step 3: Cross multiply
    119,742.85x = 165,246.29 × 66,029.77
  4. Step 4: Simplify right side
    119,742.85x = 10,911,174,191.90
  5. Step 5: Solve for x
    x = 10,911,174,191.90/119,742.85
  6. Step 6: Final answer
    x = 91,121.72

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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.