Home / 112,028.04-154,494.82-81,765.46

Finding the Fourth Proportional to 112,028.04, 154,494.82 and 81,765.46

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Solution

The fourth proportional to 112,028.04, 154,494.82 and 81,765.46 is: 112,760.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,028.04 : 154,494.82 = 81,765.46 : x
  2. Step 2: Convert to fraction form
    112,028.04/154,494.82 = 81,765.46/x
  3. Step 3: Cross multiply
    112,028.04x = 154,494.82 × 81,765.46
  4. Step 4: Simplify right side
    112,028.04x = 12,632,340,024.92
  5. Step 5: Solve for x
    x = 12,632,340,024.92/112,028.04
  6. Step 6: Final answer
    x = 112,760.52

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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.