Home / 102,704.96-154,057.51-42,732.36

Finding the Fourth Proportional to 102,704.96, 154,057.51 and 42,732.36

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Solution

The fourth proportional to 102,704.96, 154,057.51 and 42,732.36 is: 64,098.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,704.96 : 154,057.51 = 42,732.36 : x
  2. Step 2: Convert to fraction form
    102,704.96/154,057.51 = 42,732.36/x
  3. Step 3: Cross multiply
    102,704.96x = 154,057.51 × 42,732.36
  4. Step 4: Simplify right side
    102,704.96x = 6,583,241,031.44
  5. Step 5: Solve for x
    x = 6,583,241,031.44/102,704.96
  6. Step 6: Final answer
    x = 64,098.57

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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.