Home / 156,715.14-234,867.36-72,464.60

Finding the Fourth Proportional to 156,715.14, 234,867.36 and 72,464.60

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Solution

The fourth proportional to 156,715.14, 234,867.36 and 72,464.60 is: 108,601.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,715.14 : 234,867.36 = 72,464.60 : x
  2. Step 2: Convert to fraction form
    156,715.14/234,867.36 = 72,464.60/x
  3. Step 3: Cross multiply
    156,715.14x = 234,867.36 × 72,464.60
  4. Step 4: Simplify right side
    156,715.14x = 17,019,569,295.46
  5. Step 5: Solve for x
    x = 17,019,569,295.46/156,715.14
  6. Step 6: Final answer
    x = 108,601.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.