Home / 119,813.80-165,341.48-66,101.08

Finding the Fourth Proportional to 119,813.80, 165,341.48 and 66,101.08

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Solution

The fourth proportional to 119,813.80, 165,341.48 and 66,101.08 is: 91,218.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,813.80 : 165,341.48 = 66,101.08 : x
  2. Step 2: Convert to fraction form
    119,813.80/165,341.48 = 66,101.08/x
  3. Step 3: Cross multiply
    119,813.80x = 165,341.48 × 66,101.08
  4. Step 4: Simplify right side
    119,813.80x = 10,929,250,396.80
  5. Step 5: Solve for x
    x = 10,929,250,396.80/119,813.80
  6. Step 6: Final answer
    x = 91,218.63

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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.