Home / 156,027.58-215,122.83-130,223.02

Finding the Fourth Proportional to 156,027.58, 215,122.83 and 130,223.02

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Solution

The fourth proportional to 156,027.58, 215,122.83 and 130,223.02 is: 179,544.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,027.58 : 215,122.83 = 130,223.02 : x
  2. Step 2: Convert to fraction form
    156,027.58/215,122.83 = 130,223.02/x
  3. Step 3: Cross multiply
    156,027.58x = 215,122.83 × 130,223.02
  4. Step 4: Simplify right side
    156,027.58x = 28,013,944,593.55
  5. Step 5: Solve for x
    x = 28,013,944,593.55/156,027.58
  6. Step 6: Final answer
    x = 179,544.83

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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.