Home / 226,124.52-312,056.70-129,337.22

Finding the Fourth Proportional to 226,124.52, 312,056.70 and 129,337.22

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Solution

The fourth proportional to 226,124.52, 312,056.70 and 129,337.22 is: 178,488.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,124.52 : 312,056.70 = 129,337.22 : x
  2. Step 2: Convert to fraction form
    226,124.52/312,056.70 = 129,337.22/x
  3. Step 3: Cross multiply
    226,124.52x = 312,056.70 × 129,337.22
  4. Step 4: Simplify right side
    226,124.52x = 40,360,546,060.37
  5. Step 5: Solve for x
    x = 40,360,546,060.37/226,124.52
  6. Step 6: Final answer
    x = 178,488.14

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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.