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Finding the Fourth Proportional to 146,952.40, 220,428.60 and 73,224.40

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Solution

The fourth proportional to 146,952.40, 220,428.60 and 73,224.40 is: 109,836.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,952.40 : 220,428.60 = 73,224.40 : x
  2. Step 2: Convert to fraction form
    146,952.40/220,428.60 = 73,224.40/x
  3. Step 3: Cross multiply
    146,952.40x = 220,428.60 × 73,224.40
  4. Step 4: Simplify right side
    146,952.40x = 16,140,751,977.84
  5. Step 5: Solve for x
    x = 16,140,751,977.84/146,952.40
  6. Step 6: Final answer
    x = 109,836.60

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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.