Home / 100,727.15-151,074.29-29,633.16

Finding the Fourth Proportional to 100,727.15, 151,074.29 and 29,633.16

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Solution

The fourth proportional to 100,727.15, 151,074.29 and 29,633.16 is: 44,444.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,727.15 : 151,074.29 = 29,633.16 : x
  2. Step 2: Convert to fraction form
    100,727.15/151,074.29 = 29,633.16/x
  3. Step 3: Cross multiply
    100,727.15x = 151,074.29 × 29,633.16
  4. Step 4: Simplify right side
    100,727.15x = 4,476,807,852.08
  5. Step 5: Solve for x
    x = 4,476,807,852.08/100,727.15
  6. Step 6: Final answer
    x = 44,444.90

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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.