Home / 144,538.20-216,845.10-55,794.60

Finding the Fourth Proportional to 144,538.20, 216,845.10 and 55,794.60

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Solution

The fourth proportional to 144,538.20, 216,845.10 and 55,794.60 is: 83,706.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,538.20 : 216,845.10 = 55,794.60 : x
  2. Step 2: Convert to fraction form
    144,538.20/216,845.10 = 55,794.60/x
  3. Step 3: Cross multiply
    144,538.20x = 216,845.10 × 55,794.60
  4. Step 4: Simplify right side
    144,538.20x = 12,098,785,616.46
  5. Step 5: Solve for x
    x = 12,098,785,616.46/144,538.20
  6. Step 6: Final answer
    x = 83,706.49

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1.5x scale

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.