Home / 236,145.17-354,042.80-142,629.05

Finding the Fourth Proportional to 236,145.17, 354,042.80 and 142,629.05

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Solution

The fourth proportional to 236,145.17, 354,042.80 and 142,629.05 is: 213,837.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,145.17 : 354,042.80 = 142,629.05 : x
  2. Step 2: Convert to fraction form
    236,145.17/354,042.80 = 142,629.05/x
  3. Step 3: Cross multiply
    236,145.17x = 354,042.80 × 142,629.05
  4. Step 4: Simplify right side
    236,145.17x = 50,496,788,930.16
  5. Step 5: Solve for x
    x = 50,496,788,930.16/236,145.17
  6. Step 6: Final answer
    x = 213,837.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.