Home / 202,381.72-303,544.06-127,272.92

Finding the Fourth Proportional to 202,381.72, 303,544.06 and 127,272.92

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Solution

The fourth proportional to 202,381.72, 303,544.06 and 127,272.92 is: 190,891.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,381.72 : 303,544.06 = 127,272.92 : x
  2. Step 2: Convert to fraction form
    202,381.72/303,544.06 = 127,272.92/x
  3. Step 3: Cross multiply
    202,381.72x = 303,544.06 × 127,272.92
  4. Step 4: Simplify right side
    202,381.72x = 38,632,938,864.86
  5. Step 5: Solve for x
    x = 38,632,938,864.86/202,381.72
  6. Step 6: Final answer
    x = 190,891.44

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1.5x scale

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.