Home / 226,767.15-312,941.01-129,968.91

Finding the Fourth Proportional to 226,767.15, 312,941.01 and 129,968.91

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Solution

The fourth proportional to 226,767.15, 312,941.01 and 129,968.91 is: 179,358.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,767.15 : 312,941.01 = 129,968.91 : x
  2. Step 2: Convert to fraction form
    226,767.15/312,941.01 = 129,968.91/x
  3. Step 3: Cross multiply
    226,767.15x = 312,941.01 × 129,968.91
  4. Step 4: Simplify right side
    226,767.15x = 40,672,601,964.00
  5. Step 5: Solve for x
    x = 40,672,601,964.00/226,767.15
  6. Step 6: Final answer
    x = 179,358.44

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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.