Home / 146,181.12-201,730.14-79,113.12

Finding the Fourth Proportional to 146,181.12, 201,730.14 and 79,113.12

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Solution

The fourth proportional to 146,181.12, 201,730.14 and 79,113.12 is: 109,176.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,181.12 : 201,730.14 = 79,113.12 : x
  2. Step 2: Convert to fraction form
    146,181.12/201,730.14 = 79,113.12/x
  3. Step 3: Cross multiply
    146,181.12x = 201,730.14 × 79,113.12
  4. Step 4: Simplify right side
    146,181.12x = 15,959,500,773.44
  5. Step 5: Solve for x
    x = 15,959,500,773.44/146,181.12
  6. Step 6: Final answer
    x = 109,176.21

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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.