Home / 103,737.10-155,569.20-47,604.10

Finding the Fourth Proportional to 103,737.10, 155,569.20 and 47,604.10

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Solution

The fourth proportional to 103,737.10, 155,569.20 and 47,604.10 is: 71,389.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,737.10 : 155,569.20 = 47,604.10 : x
  2. Step 2: Convert to fraction form
    103,737.10/155,569.20 = 47,604.10/x
  3. Step 3: Cross multiply
    103,737.10x = 155,569.20 × 47,604.10
  4. Step 4: Simplify right side
    103,737.10x = 7,405,731,753.72
  5. Step 5: Solve for x
    x = 7,405,731,753.72/103,737.10
  6. Step 6: Final answer
    x = 71,389.42

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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.