Home / 156,258.45-215,632.53-88,282.44

Finding the Fourth Proportional to 156,258.45, 215,632.53 and 88,282.44

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Solution

The fourth proportional to 156,258.45, 215,632.53 and 88,282.44 is: 121,827.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,258.45 : 215,632.53 = 88,282.44 : x
  2. Step 2: Convert to fraction form
    156,258.45/215,632.53 = 88,282.44/x
  3. Step 3: Cross multiply
    156,258.45x = 215,632.53 × 88,282.44
  4. Step 4: Simplify right side
    156,258.45x = 19,036,565,891.77
  5. Step 5: Solve for x
    x = 19,036,565,891.77/156,258.45
  6. Step 6: Final answer
    x = 121,827.43

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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.