Home / 150,102.96-207,051.84-99,116.16

Finding the Fourth Proportional to 150,102.96, 207,051.84 and 99,116.16

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Solution

The fourth proportional to 150,102.96, 207,051.84 and 99,116.16 is: 136,720.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,102.96 : 207,051.84 = 99,116.16 : x
  2. Step 2: Convert to fraction form
    150,102.96/207,051.84 = 99,116.16/x
  3. Step 3: Cross multiply
    150,102.96x = 207,051.84 × 99,116.16
  4. Step 4: Simplify right side
    150,102.96x = 20,522,183,301.73
  5. Step 5: Solve for x
    x = 20,522,183,301.73/150,102.96
  6. Step 6: Final answer
    x = 136,720.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.