Home / 203,536.67-280,556.07-160,445.90

Finding the Fourth Proportional to 203,536.67, 280,556.07 and 160,445.90

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Solution

The fourth proportional to 203,536.67, 280,556.07 and 160,445.90 is: 221,159.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,536.67 : 280,556.07 = 160,445.90 : x
  2. Step 2: Convert to fraction form
    203,536.67/280,556.07 = 160,445.90/x
  3. Step 3: Cross multiply
    203,536.67x = 280,556.07 × 160,445.90
  4. Step 4: Simplify right side
    203,536.67x = 45,014,071,151.61
  5. Step 5: Solve for x
    x = 45,014,071,151.61/203,536.67
  6. Step 6: Final answer
    x = 221,159.51

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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.