Home / 102,955.12-154,399.80-32,818

Finding the Fourth Proportional to 102,955.12, 154,399.80 and 32,818

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Solution

The fourth proportional to 102,955.12, 154,399.80 and 32,818 is: 49,216.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,955.12 : 154,399.80 = 32,818 : x
  2. Step 2: Convert to fraction form
    102,955.12/154,399.80 = 32,818/x
  3. Step 3: Cross multiply
    102,955.12x = 154,399.80 × 32,818
  4. Step 4: Simplify right side
    102,955.12x = 5,067,092,636.40
  5. Step 5: Solve for x
    x = 5,067,092,636.40/102,955.12
  6. Step 6: Final answer
    x = 49,216.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.