Home / 120,044.58-165,662.98-66,329.10

Finding the Fourth Proportional to 120,044.58, 165,662.98 and 66,329.10

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Solution

The fourth proportional to 120,044.58, 165,662.98 and 66,329.10 is: 91,534.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,044.58 : 165,662.98 = 66,329.10 : x
  2. Step 2: Convert to fraction form
    120,044.58/165,662.98 = 66,329.10/x
  3. Step 3: Cross multiply
    120,044.58x = 165,662.98 × 66,329.10
  4. Step 4: Simplify right side
    120,044.58x = 10,988,276,366.72
  5. Step 5: Solve for x
    x = 10,988,276,366.72/120,044.58
  6. Step 6: Final answer
    x = 91,534.96

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1.5x scale

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.