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Finding the Fourth Proportional to 101,473.32, 152,200.62 and 31,345.68

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Solution

The fourth proportional to 101,473.32, 152,200.62 and 31,345.68 is: 47,015.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,473.32 : 152,200.62 = 31,345.68 : x
  2. Step 2: Convert to fraction form
    101,473.32/152,200.62 = 31,345.68/x
  3. Step 3: Cross multiply
    101,473.32x = 152,200.62 × 31,345.68
  4. Step 4: Simplify right side
    101,473.32x = 4,770,831,930.32
  5. Step 5: Solve for x
    x = 4,770,831,930.32/101,473.32
  6. Step 6: Final answer
    x = 47,015.63

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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.