Home / 156,155.33-215,494.42-84,535.35

Finding the Fourth Proportional to 156,155.33, 215,494.42 and 84,535.35

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Solution

The fourth proportional to 156,155.33, 215,494.42 and 84,535.35 is: 116,658.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,155.33 : 215,494.42 = 84,535.35 : x
  2. Step 2: Convert to fraction form
    156,155.33/215,494.42 = 84,535.35/x
  3. Step 3: Cross multiply
    156,155.33x = 215,494.42 × 84,535.35
  4. Step 4: Simplify right side
    156,155.33x = 18,216,896,217.75
  5. Step 5: Solve for x
    x = 18,216,896,217.75/156,155.33
  6. Step 6: Final answer
    x = 116,658.82

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.