Home / 102,776.31-154,142.60-32,639.22

Finding the Fourth Proportional to 102,776.31, 154,142.60 and 32,639.22

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Solution

The fourth proportional to 102,776.31, 154,142.60 and 32,639.22 is: 48,951.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,776.31 : 154,142.60 = 32,639.22 : x
  2. Step 2: Convert to fraction form
    102,776.31/154,142.60 = 32,639.22/x
  3. Step 3: Cross multiply
    102,776.31x = 154,142.60 × 32,639.22
  4. Step 4: Simplify right side
    102,776.31x = 5,031,094,069.58
  5. Step 5: Solve for x
    x = 5,031,094,069.58/102,776.31
  6. Step 6: Final answer
    x = 48,951.88

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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.