Home / 123,193.60-170,012.93-69,477.47

Finding the Fourth Proportional to 123,193.60, 170,012.93 and 69,477.47

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Solution

The fourth proportional to 123,193.60, 170,012.93 and 69,477.47 is: 95,882.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,193.60 : 170,012.93 = 69,477.47 : x
  2. Step 2: Convert to fraction form
    123,193.60/170,012.93 = 69,477.47/x
  3. Step 3: Cross multiply
    123,193.60x = 170,012.93 × 69,477.47
  4. Step 4: Simplify right side
    123,193.60x = 11,812,067,046.24
  5. Step 5: Solve for x
    x = 11,812,067,046.24/123,193.60
  6. Step 6: Final answer
    x = 95,882.15

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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.