Home / 203,152.07-280,256.81-131,555.16

Finding the Fourth Proportional to 203,152.07, 280,256.81 and 131,555.16

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Solution

The fourth proportional to 203,152.07, 280,256.81 and 131,555.16 is: 181,485.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,152.07 : 280,256.81 = 131,555.16 : x
  2. Step 2: Convert to fraction form
    203,152.07/280,256.81 = 131,555.16/x
  3. Step 3: Cross multiply
    203,152.07x = 280,256.81 × 131,555.16
  4. Step 4: Simplify right side
    203,152.07x = 36,869,228,079.36
  5. Step 5: Solve for x
    x = 36,869,228,079.36/203,152.07
  6. Step 6: Final answer
    x = 181,485.86

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1.5x scale

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.