Home / 155,425.11-214,467.48-98,042.77

Finding the Fourth Proportional to 155,425.11, 214,467.48 and 98,042.77

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Solution

The fourth proportional to 155,425.11, 214,467.48 and 98,042.77 is: 135,286.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,425.11 : 214,467.48 = 98,042.77 : x
  2. Step 2: Convert to fraction form
    155,425.11/214,467.48 = 98,042.77/x
  3. Step 3: Cross multiply
    155,425.11x = 214,467.48 × 98,042.77
  4. Step 4: Simplify right side
    155,425.11x = 21,026,985,814.12
  5. Step 5: Solve for x
    x = 21,026,985,814.12/155,425.11
  6. Step 6: Final answer
    x = 135,286.93

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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.