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Finding the Fourth Proportional to 147,866.40, 221,799.60 and 72,998.10

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Solution

The fourth proportional to 147,866.40, 221,799.60 and 72,998.10 is: 109,497.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,866.40 : 221,799.60 = 72,998.10 : x
  2. Step 2: Convert to fraction form
    147,866.40/221,799.60 = 72,998.10/x
  3. Step 3: Cross multiply
    147,866.40x = 221,799.60 × 72,998.10
  4. Step 4: Simplify right side
    147,866.40x = 16,190,949,380.76
  5. Step 5: Solve for x
    x = 16,190,949,380.76/147,866.40
  6. Step 6: Final answer
    x = 109,497.15

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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.