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Finding the Fourth Proportional to 149,102.40, 223,653.60 and 147,790.20

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Solution

The fourth proportional to 149,102.40, 223,653.60 and 147,790.20 is: 221,685.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,102.40 : 223,653.60 = 147,790.20 : x
  2. Step 2: Convert to fraction form
    149,102.40/223,653.60 = 147,790.20/x
  3. Step 3: Cross multiply
    149,102.40x = 223,653.60 × 147,790.20
  4. Step 4: Simplify right side
    149,102.40x = 33,053,810,274.72
  5. Step 5: Solve for x
    x = 33,053,810,274.72/149,102.40
  6. Step 6: Final answer
    x = 221,685.30

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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.