Home / 154,852.20-213,715.86-91,195.92

Finding the Fourth Proportional to 154,852.20, 213,715.86 and 91,195.92

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Solution

The fourth proportional to 154,852.20, 213,715.86 and 91,195.92 is: 125,862.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,852.20 : 213,715.86 = 91,195.92 : x
  2. Step 2: Convert to fraction form
    154,852.20/213,715.86 = 91,195.92/x
  3. Step 3: Cross multiply
    154,852.20x = 213,715.86 × 91,195.92
  4. Step 4: Simplify right side
    154,852.20x = 19,490,014,471.29
  5. Step 5: Solve for x
    x = 19,490,014,471.29/154,852.20
  6. Step 6: Final answer
    x = 125,862.04

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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.