Home / 345,095.89-476,231.25-192,130.12

Finding the Fourth Proportional to 345,095.89, 476,231.25 and 192,130.12

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Solution

The fourth proportional to 345,095.89, 476,231.25 and 192,130.12 is: 265,138.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,095.89 : 476,231.25 = 192,130.12 : x
  2. Step 2: Convert to fraction form
    345,095.89/476,231.25 = 192,130.12/x
  3. Step 3: Cross multiply
    345,095.89x = 476,231.25 × 192,130.12
  4. Step 4: Simplify right side
    345,095.89x = 91,498,367,210.25
  5. Step 5: Solve for x
    x = 91,498,367,210.25/345,095.89
  6. Step 6: Final answer
    x = 265,138.97

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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.