Home / 102,983.20-154,477.68-36,413.92

Finding the Fourth Proportional to 102,983.20, 154,477.68 and 36,413.92

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Solution

The fourth proportional to 102,983.20, 154,477.68 and 36,413.92 is: 54,621.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,983.20 : 154,477.68 = 36,413.92 : x
  2. Step 2: Convert to fraction form
    102,983.20/154,477.68 = 36,413.92/x
  3. Step 3: Cross multiply
    102,983.20x = 154,477.68 × 36,413.92
  4. Step 4: Simplify right side
    102,983.20x = 5,625,137,881.31
  5. Step 5: Solve for x
    x = 5,625,137,881.31/102,983.20
  6. Step 6: Final answer
    x = 54,621.90

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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.