Home / 226,262.59-312,172.14-130,734.43

Finding the Fourth Proportional to 226,262.59, 312,172.14 and 130,734.43

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Solution

The fourth proportional to 226,262.59, 312,172.14 and 130,734.43 is: 180,372.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,262.59 : 312,172.14 = 130,734.43 : x
  2. Step 2: Convert to fraction form
    226,262.59/312,172.14 = 130,734.43/x
  3. Step 3: Cross multiply
    226,262.59x = 312,172.14 × 130,734.43
  4. Step 4: Simplify right side
    226,262.59x = 40,811,646,784.78
  5. Step 5: Solve for x
    x = 40,811,646,784.78/226,262.59
  6. Step 6: Final answer
    x = 180,372.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.