Home / 202,172.10-303,254-89,821.86

Finding the Fourth Proportional to 202,172.10, 303,254 and 89,821.86

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Solution

The fourth proportional to 202,172.10, 303,254 and 89,821.86 is: 134,730.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,172.10 : 303,254 = 89,821.86 : x
  2. Step 2: Convert to fraction form
    202,172.10/303,254 = 89,821.86/x
  3. Step 3: Cross multiply
    202,172.10x = 303,254 × 89,821.86
  4. Step 4: Simplify right side
    202,172.10x = 27,238,838,332.44
  5. Step 5: Solve for x
    x = 27,238,838,332.44/202,172.10
  6. Step 6: Final answer
    x = 134,730.95

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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.