Home / 226,262.34-312,171.80-130,734.18

Finding the Fourth Proportional to 226,262.34, 312,171.80 and 130,734.18

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Solution

The fourth proportional to 226,262.34, 312,171.80 and 130,734.18 is: 180,372.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,262.34 : 312,171.80 = 130,734.18 : x
  2. Step 2: Convert to fraction form
    226,262.34/312,171.80 = 130,734.18/x
  3. Step 3: Cross multiply
    226,262.34x = 312,171.80 × 130,734.18
  4. Step 4: Simplify right side
    226,262.34x = 40,811,523,638.45
  5. Step 5: Solve for x
    x = 40,811,523,638.45/226,262.34
  6. Step 6: Final answer
    x = 180,372.59

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1.5x scale

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.