Home / 158,829.46-219,141.84-90,832.39

Finding the Fourth Proportional to 158,829.46, 219,141.84 and 90,832.39

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Solution

The fourth proportional to 158,829.46, 219,141.84 and 90,832.39 is: 125,324.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,829.46 : 219,141.84 = 90,832.39 : x
  2. Step 2: Convert to fraction form
    158,829.46/219,141.84 = 90,832.39/x
  3. Step 3: Cross multiply
    158,829.46x = 219,141.84 × 90,832.39
  4. Step 4: Simplify right side
    158,829.46x = 19,905,177,076.20
  5. Step 5: Solve for x
    x = 19,905,177,076.20/158,829.46
  6. Step 6: Final answer
    x = 125,324.21

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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.