Home / 254,696.23-382,022.34-86,212.95

Finding the Fourth Proportional to 254,696.23, 382,022.34 and 86,212.95

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Solution

The fourth proportional to 254,696.23, 382,022.34 and 86,212.95 is: 129,311.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,696.23 : 382,022.34 = 86,212.95 : x
  2. Step 2: Convert to fraction form
    254,696.23/382,022.34 = 86,212.95/x
  3. Step 3: Cross multiply
    254,696.23x = 382,022.34 × 86,212.95
  4. Step 4: Simplify right side
    254,696.23x = 32,935,272,897.30
  5. Step 5: Solve for x
    x = 32,935,272,897.30/254,696.23
  6. Step 6: Final answer
    x = 129,311.98

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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.