Home / 102,089.36-153,134.04-31,974.14

Finding the Fourth Proportional to 102,089.36, 153,134.04 and 31,974.14

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Solution

The fourth proportional to 102,089.36, 153,134.04 and 31,974.14 is: 47,961.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,089.36 : 153,134.04 = 31,974.14 : x
  2. Step 2: Convert to fraction form
    102,089.36/153,134.04 = 31,974.14/x
  3. Step 3: Cross multiply
    102,089.36x = 153,134.04 × 31,974.14
  4. Step 4: Simplify right side
    102,089.36x = 4,896,329,233.73
  5. Step 5: Solve for x
    x = 4,896,329,233.73/102,089.36
  6. Step 6: Final answer
    x = 47,961.21

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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.