Home / 120,089.54-165,709.17-66,367.23

Finding the Fourth Proportional to 120,089.54, 165,709.17 and 66,367.23

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Solution

The fourth proportional to 120,089.54, 165,709.17 and 66,367.23 is: 91,578.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,089.54 : 165,709.17 = 66,367.23 : x
  2. Step 2: Convert to fraction form
    120,089.54/165,709.17 = 66,367.23/x
  3. Step 3: Cross multiply
    120,089.54x = 165,709.17 × 66,367.23
  4. Step 4: Simplify right side
    120,089.54x = 10,997,658,598.50
  5. Step 5: Solve for x
    x = 10,997,658,598.50/120,089.54
  6. Step 6: Final answer
    x = 91,578.83

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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.