Home / 195,943.24-270,381-115,365.52

Finding the Fourth Proportional to 195,943.24, 270,381 and 115,365.52

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Solution

The fourth proportional to 195,943.24, 270,381 and 115,365.52 is: 159,192.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,943.24 : 270,381 = 115,365.52 : x
  2. Step 2: Convert to fraction form
    195,943.24/270,381 = 115,365.52/x
  3. Step 3: Cross multiply
    195,943.24x = 270,381 × 115,365.52
  4. Step 4: Simplify right side
    195,943.24x = 31,192,644,663.12
  5. Step 5: Solve for x
    x = 31,192,644,663.12/195,943.24
  6. Step 6: Final answer
    x = 159,192.25

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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.