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Finding the Fourth Proportional to 144,011.73, 216,018.87 and 44,172.39

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Solution

The fourth proportional to 144,011.73, 216,018.87 and 44,172.39 is: 66,258.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,011.73 : 216,018.87 = 44,172.39 : x
  2. Step 2: Convert to fraction form
    144,011.73/216,018.87 = 44,172.39/x
  3. Step 3: Cross multiply
    144,011.73x = 216,018.87 × 44,172.39
  4. Step 4: Simplify right side
    144,011.73x = 9,542,069,773.00
  5. Step 5: Solve for x
    x = 9,542,069,773.00/144,011.73
  6. Step 6: Final answer
    x = 66,258.98

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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.