Home / 202,981.14-280,108.26-112,340.88

Finding the Fourth Proportional to 202,981.14, 280,108.26 and 112,340.88

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Solution

The fourth proportional to 202,981.14, 280,108.26 and 112,340.88 is: 155,027.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,981.14 : 280,108.26 = 112,340.88 : x
  2. Step 2: Convert to fraction form
    202,981.14/280,108.26 = 112,340.88/x
  3. Step 3: Cross multiply
    202,981.14x = 280,108.26 × 112,340.88
  4. Step 4: Simplify right side
    202,981.14x = 31,467,608,423.67
  5. Step 5: Solve for x
    x = 31,467,608,423.67/202,981.14
  6. Step 6: Final answer
    x = 155,027.25

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