Home / 202,288.08-279,155.61-111,644.94

Finding the Fourth Proportional to 202,288.08, 279,155.61 and 111,644.94

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Solution

The fourth proportional to 202,288.08, 279,155.61 and 111,644.94 is: 154,068.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,288.08 : 279,155.61 = 111,644.94 : x
  2. Step 2: Convert to fraction form
    202,288.08/279,155.61 = 111,644.94/x
  3. Step 3: Cross multiply
    202,288.08x = 279,155.61 × 111,644.94
  4. Step 4: Simplify right side
    202,288.08x = 31,166,311,329.11
  5. Step 5: Solve for x
    x = 31,166,311,329.11/202,288.08
  6. Step 6: Final answer
    x = 154,068.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.