Home / 156,624.10-216,141.39-85,004.11

Finding the Fourth Proportional to 156,624.10, 216,141.39 and 85,004.11

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Solution

The fourth proportional to 156,624.10, 216,141.39 and 85,004.11 is: 117,305.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,624.10 : 216,141.39 = 85,004.11 : x
  2. Step 2: Convert to fraction form
    156,624.10/216,141.39 = 85,004.11/x
  3. Step 3: Cross multiply
    156,624.10x = 216,141.39 × 85,004.11
  4. Step 4: Simplify right side
    156,624.10x = 18,372,906,491.11
  5. Step 5: Solve for x
    x = 18,372,906,491.11/156,624.10
  6. Step 6: Final answer
    x = 117,305.74

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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.