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Finding the Fourth Proportional to 110,624.16, 165,960.84 and 31,732.32

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Solution

The fourth proportional to 110,624.16, 165,960.84 and 31,732.32 is: 47,605.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,624.16 : 165,960.84 = 31,732.32 : x
  2. Step 2: Convert to fraction form
    110,624.16/165,960.84 = 31,732.32/x
  3. Step 3: Cross multiply
    110,624.16x = 165,960.84 × 31,732.32
  4. Step 4: Simplify right side
    110,624.16x = 5,266,322,482.35
  5. Step 5: Solve for x
    x = 5,266,322,482.35/110,624.16
  6. Step 6: Final answer
    x = 47,605.54

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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.