Home / 188,035.76-259,265.40-172,172.72

Finding the Fourth Proportional to 188,035.76, 259,265.40 and 172,172.72

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Solution

The fourth proportional to 188,035.76, 259,265.40 and 172,172.72 is: 237,393.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,035.76 : 259,265.40 = 172,172.72 : x
  2. Step 2: Convert to fraction form
    188,035.76/259,265.40 = 172,172.72/x
  3. Step 3: Cross multiply
    188,035.76x = 259,265.40 × 172,172.72
  4. Step 4: Simplify right side
    188,035.76x = 44,638,429,119.89
  5. Step 5: Solve for x
    x = 44,638,429,119.89/188,035.76
  6. Step 6: Final answer
    x = 237,393.30

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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.