Home / 112,012.82-154,564.34-63,614.43

Finding the Fourth Proportional to 112,012.82, 154,564.34 and 63,614.43

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Solution

The fourth proportional to 112,012.82, 154,564.34 and 63,614.43 is: 87,780.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,012.82 : 154,564.34 = 63,614.43 : x
  2. Step 2: Convert to fraction form
    112,012.82/154,564.34 = 63,614.43/x
  3. Step 3: Cross multiply
    112,012.82x = 154,564.34 × 63,614.43
  4. Step 4: Simplify right side
    112,012.82x = 9,832,522,069.35
  5. Step 5: Solve for x
    x = 9,832,522,069.35/112,012.82
  6. Step 6: Final answer
    x = 87,780.33

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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.