Home / 102,737.30-154,135.47-42,754.10

Finding the Fourth Proportional to 102,737.30, 154,135.47 and 42,754.10

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Solution

The fourth proportional to 102,737.30, 154,135.47 and 42,754.10 is: 64,143.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,737.30 : 154,135.47 = 42,754.10 : x
  2. Step 2: Convert to fraction form
    102,737.30/154,135.47 = 42,754.10/x
  3. Step 3: Cross multiply
    102,737.30x = 154,135.47 × 42,754.10
  4. Step 4: Simplify right side
    102,737.30x = 6,589,923,297.93
  5. Step 5: Solve for x
    x = 6,589,923,297.93/102,737.30
  6. Step 6: Final answer
    x = 64,143.43

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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.