Home / 236,597.20-355,031.88-131,407.36

Finding the Fourth Proportional to 236,597.20, 355,031.88 and 131,407.36

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Solution

The fourth proportional to 236,597.20, 355,031.88 and 131,407.36 is: 197,186.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,597.20 : 355,031.88 = 131,407.36 : x
  2. Step 2: Convert to fraction form
    236,597.20/355,031.88 = 131,407.36/x
  3. Step 3: Cross multiply
    236,597.20x = 355,031.88 × 131,407.36
  4. Step 4: Simplify right side
    236,597.20x = 46,653,802,066.64
  5. Step 5: Solve for x
    x = 46,653,802,066.64/236,597.20
  6. Step 6: Final answer
    x = 197,186.62

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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.