Home / 121,825.96-182,295.90-100,568.32

Finding the Fourth Proportional to 121,825.96, 182,295.90 and 100,568.32

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Solution

The fourth proportional to 121,825.96, 182,295.90 and 100,568.32 is: 150,486.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,825.96 : 182,295.90 = 100,568.32 : x
  2. Step 2: Convert to fraction form
    121,825.96/182,295.90 = 100,568.32/x
  3. Step 3: Cross multiply
    121,825.96x = 182,295.90 × 100,568.32
  4. Step 4: Simplify right side
    121,825.96x = 18,333,192,405.89
  5. Step 5: Solve for x
    x = 18,333,192,405.89/121,825.96
  6. Step 6: Final answer
    x = 150,486.75

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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.