Home / 155,992.64-234,012.04-45,170.24

Finding the Fourth Proportional to 155,992.64, 234,012.04 and 45,170.24

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Solution

The fourth proportional to 155,992.64, 234,012.04 and 45,170.24 is: 67,762.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,992.64 : 234,012.04 = 45,170.24 : x
  2. Step 2: Convert to fraction form
    155,992.64/234,012.04 = 45,170.24/x
  3. Step 3: Cross multiply
    155,992.64x = 234,012.04 × 45,170.24
  4. Step 4: Simplify right side
    155,992.64x = 10,570,380,009.69
  5. Step 5: Solve for x
    x = 10,570,380,009.69/155,992.64
  6. Step 6: Final answer
    x = 67,762.04

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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.