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Finding the Fourth Proportional to 101,238.80, 151,901.40 and 48,621.20

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Solution

The fourth proportional to 101,238.80, 151,901.40 and 48,621.20 is: 72,952.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,238.80 : 151,901.40 = 48,621.20 : x
  2. Step 2: Convert to fraction form
    101,238.80/151,901.40 = 48,621.20/x
  3. Step 3: Cross multiply
    101,238.80x = 151,901.40 × 48,621.20
  4. Step 4: Simplify right side
    101,238.80x = 7,385,628,349.68
  5. Step 5: Solve for x
    x = 7,385,628,349.68/101,238.80
  6. Step 6: Final answer
    x = 72,952.55

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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.