Home / 156,262.20-215,637.71-88,286.19

Finding the Fourth Proportional to 156,262.20, 215,637.71 and 88,286.19

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Solution

The fourth proportional to 156,262.20, 215,637.71 and 88,286.19 is: 121,832.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,262.20 : 215,637.71 = 88,286.19 : x
  2. Step 2: Convert to fraction form
    156,262.20/215,637.71 = 88,286.19/x
  3. Step 3: Cross multiply
    156,262.20x = 215,637.71 × 88,286.19
  4. Step 4: Simplify right side
    156,262.20x = 19,037,831,394.79
  5. Step 5: Solve for x
    x = 19,037,831,394.79/156,262.20
  6. Step 6: Final answer
    x = 121,832.61

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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.