Home / 156,208.66-215,568.98-84,588.69

Finding the Fourth Proportional to 156,208.66, 215,568.98 and 84,588.69

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Solution

The fourth proportional to 156,208.66, 215,568.98 and 84,588.69 is: 116,732.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,208.66 : 215,568.98 = 84,588.69 : x
  2. Step 2: Convert to fraction form
    156,208.66/215,568.98 = 84,588.69/x
  3. Step 3: Cross multiply
    156,208.66x = 215,568.98 × 84,588.69
  4. Step 4: Simplify right side
    156,208.66x = 18,234,697,622.84
  5. Step 5: Solve for x
    x = 18,234,697,622.84/156,208.66
  6. Step 6: Final answer
    x = 116,732.95

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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.