Home / 235,536.40-352,498.20-142,109.20

Finding the Fourth Proportional to 235,536.40, 352,498.20 and 142,109.20

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Solution

The fourth proportional to 235,536.40, 352,498.20 and 142,109.20 is: 212,677.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,536.40 : 352,498.20 = 142,109.20 : x
  2. Step 2: Convert to fraction form
    235,536.40/352,498.20 = 142,109.20/x
  3. Step 3: Cross multiply
    235,536.40x = 352,498.20 × 142,109.20
  4. Step 4: Simplify right side
    235,536.40x = 50,093,237,203.44
  5. Step 5: Solve for x
    x = 50,093,237,203.44/235,536.40
  6. Step 6: Final answer
    x = 212,677.26

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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.