Home / 156,197.60-215,548.08-88,217.36

Finding the Fourth Proportional to 156,197.60, 215,548.08 and 88,217.36

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Solution

The fourth proportional to 156,197.60, 215,548.08 and 88,217.36 is: 121,737.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,197.60 : 215,548.08 = 88,217.36 : x
  2. Step 2: Convert to fraction form
    156,197.60/215,548.08 = 88,217.36/x
  3. Step 3: Cross multiply
    156,197.60x = 215,548.08 × 88,217.36
  4. Step 4: Simplify right side
    156,197.60x = 19,015,082,570.67
  5. Step 5: Solve for x
    x = 19,015,082,570.67/156,197.60
  6. Step 6: Final answer
    x = 121,737.35

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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.