Home / 134,859.10-202,288.65-123,486.70

Finding the Fourth Proportional to 134,859.10, 202,288.65 and 123,486.70

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Solution

The fourth proportional to 134,859.10, 202,288.65 and 123,486.70 is: 185,230.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,859.10 : 202,288.65 = 123,486.70 : x
  2. Step 2: Convert to fraction form
    134,859.10/202,288.65 = 123,486.70/x
  3. Step 3: Cross multiply
    134,859.10x = 202,288.65 × 123,486.70
  4. Step 4: Simplify right side
    134,859.10x = 24,979,957,835.96
  5. Step 5: Solve for x
    x = 24,979,957,835.96/134,859.10
  6. Step 6: Final answer
    x = 185,230.05

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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.