Home / 215,186.22-322,483.95-136,158.98

Finding the Fourth Proportional to 215,186.22, 322,483.95 and 136,158.98

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Solution

The fourth proportional to 215,186.22, 322,483.95 and 136,158.98 is: 204,051.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,186.22 : 322,483.95 = 136,158.98 : x
  2. Step 2: Convert to fraction form
    215,186.22/322,483.95 = 136,158.98/x
  3. Step 3: Cross multiply
    215,186.22x = 322,483.95 × 136,158.98
  4. Step 4: Simplify right side
    215,186.22x = 43,909,084,085.95
  5. Step 5: Solve for x
    x = 43,909,084,085.95/215,186.22
  6. Step 6: Final answer
    x = 204,051.56

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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.