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Finding the Fourth Proportional to 144,005.36, 216,104.44 and 59,765.60

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Solution

The fourth proportional to 144,005.36, 216,104.44 and 59,765.60 is: 89,688.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,005.36 : 216,104.44 = 59,765.60 : x
  2. Step 2: Convert to fraction form
    144,005.36/216,104.44 = 59,765.60/x
  3. Step 3: Cross multiply
    144,005.36x = 216,104.44 × 59,765.60
  4. Step 4: Simplify right side
    144,005.36x = 12,915,611,519.26
  5. Step 5: Solve for x
    x = 12,915,611,519.26/144,005.36
  6. Step 6: Final answer
    x = 89,688.41

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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.