Home / 203,048.02-280,024.45-131,353.30

Finding the Fourth Proportional to 203,048.02, 280,024.45 and 131,353.30

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Solution

The fourth proportional to 203,048.02, 280,024.45 and 131,353.30 is: 181,149.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,048.02 : 280,024.45 = 131,353.30 : x
  2. Step 2: Convert to fraction form
    203,048.02/280,024.45 = 131,353.30/x
  3. Step 3: Cross multiply
    203,048.02x = 280,024.45 × 131,353.30
  4. Step 4: Simplify right side
    203,048.02x = 36,782,135,588.19
  5. Step 5: Solve for x
    x = 36,782,135,588.19/203,048.02
  6. Step 6: Final answer
    x = 181,149.93

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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.