Home / 250,619.12-345,851.16-143,188.32

Finding the Fourth Proportional to 250,619.12, 345,851.16 and 143,188.32

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Solution

The fourth proportional to 250,619.12, 345,851.16 and 143,188.32 is: 197,598.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,619.12 : 345,851.16 = 143,188.32 : x
  2. Step 2: Convert to fraction form
    250,619.12/345,851.16 = 143,188.32/x
  3. Step 3: Cross multiply
    250,619.12x = 345,851.16 × 143,188.32
  4. Step 4: Simplify right side
    250,619.12x = 49,521,846,570.45
  5. Step 5: Solve for x
    x = 49,521,846,570.45/250,619.12
  6. Step 6: Final answer
    x = 197,598.04

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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.