Home / 203,134.36-280,279.02-130,575.16

Finding the Fourth Proportional to 203,134.36, 280,279.02 and 130,575.16

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Solution

The fourth proportional to 203,134.36, 280,279.02 and 130,575.16 is: 180,163.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,134.36 : 280,279.02 = 130,575.16 : x
  2. Step 2: Convert to fraction form
    203,134.36/280,279.02 = 130,575.16/x
  3. Step 3: Cross multiply
    203,134.36x = 280,279.02 × 130,575.16
  4. Step 4: Simplify right side
    203,134.36x = 36,597,477,881.14
  5. Step 5: Solve for x
    x = 36,597,477,881.14/203,134.36
  6. Step 6: Final answer
    x = 180,163.90

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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.