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Finding the Fourth Proportional to 146,018.94, 201,458.94 and 81,477.74

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Solution

The fourth proportional to 146,018.94, 201,458.94 and 81,477.74 is: 112,412.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,018.94 : 201,458.94 = 81,477.74 : x
  2. Step 2: Convert to fraction form
    146,018.94/201,458.94 = 81,477.74/x
  3. Step 3: Cross multiply
    146,018.94x = 201,458.94 × 81,477.74
  4. Step 4: Simplify right side
    146,018.94x = 16,414,419,134.00
  5. Step 5: Solve for x
    x = 16,414,419,134.00/146,018.94
  6. Step 6: Final answer
    x = 112,412.95

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1.5x scale

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.