Home / 66,120.60-99,181.08-16,200.96

Finding the Fourth Proportional to 66,120.60, 99,181.08 and 16,200.96

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Solution

The fourth proportional to 66,120.60, 99,181.08 and 16,200.96 is: 24,301.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,120.60 : 99,181.08 = 16,200.96 : x
  2. Step 2: Convert to fraction form
    66,120.60/99,181.08 = 16,200.96/x
  3. Step 3: Cross multiply
    66,120.60x = 99,181.08 × 16,200.96
  4. Step 4: Simplify right side
    66,120.60x = 1,606,828,709.84
  5. Step 5: Solve for x
    x = 1,606,828,709.84/66,120.60
  6. Step 6: Final answer
    x = 24,301.48

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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.