Home / 154,272.13-212,906.44-86,295.46

Finding the Fourth Proportional to 154,272.13, 212,906.44 and 86,295.46

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Solution

The fourth proportional to 154,272.13, 212,906.44 and 86,295.46 is: 119,093.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,272.13 : 212,906.44 = 86,295.46 : x
  2. Step 2: Convert to fraction form
    154,272.13/212,906.44 = 86,295.46/x
  3. Step 3: Cross multiply
    154,272.13x = 212,906.44 × 86,295.46
  4. Step 4: Simplify right side
    154,272.13x = 18,372,859,176.76
  5. Step 5: Solve for x
    x = 18,372,859,176.76/154,272.13
  6. Step 6: Final answer
    x = 119,093.83

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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.