Home / 250,630.12-345,837.57-143,207.11

Finding the Fourth Proportional to 250,630.12, 345,837.57 and 143,207.11

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Solution

The fourth proportional to 250,630.12, 345,837.57 and 143,207.11 is: 197,607.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,630.12 : 345,837.57 = 143,207.11 : x
  2. Step 2: Convert to fraction form
    250,630.12/345,837.57 = 143,207.11/x
  3. Step 3: Cross multiply
    250,630.12x = 345,837.57 × 143,207.11
  4. Step 4: Simplify right side
    250,630.12x = 49,526,397,199.93
  5. Step 5: Solve for x
    x = 49,526,397,199.93/250,630.12
  6. Step 6: Final answer
    x = 197,607.53

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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.