Home / 156,237.20-215,620.60-88,266.64

Finding the Fourth Proportional to 156,237.20, 215,620.60 and 88,266.64

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Solution

The fourth proportional to 156,237.20, 215,620.60 and 88,266.64 is: 121,815.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,237.20 : 215,620.60 = 88,266.64 : x
  2. Step 2: Convert to fraction form
    156,237.20/215,620.60 = 88,266.64/x
  3. Step 3: Cross multiply
    156,237.20x = 215,620.60 × 88,266.64
  4. Step 4: Simplify right side
    156,237.20x = 19,032,105,876.78
  5. Step 5: Solve for x
    x = 19,032,105,876.78/156,237.20
  6. Step 6: Final answer
    x = 121,815.46

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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.