Home / 102,893.49-154,354.68-31,821.93

Finding the Fourth Proportional to 102,893.49, 154,354.68 and 31,821.93

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Solution

The fourth proportional to 102,893.49, 154,354.68 and 31,821.93 is: 47,737.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,893.49 : 154,354.68 = 31,821.93 : x
  2. Step 2: Convert to fraction form
    102,893.49/154,354.68 = 31,821.93/x
  3. Step 3: Cross multiply
    102,893.49x = 154,354.68 × 31,821.93
  4. Step 4: Simplify right side
    102,893.49x = 4,911,863,822.13
  5. Step 5: Solve for x
    x = 4,911,863,822.13/102,893.49
  6. Step 6: Final answer
    x = 47,737.36

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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.