Home / 226,115.50-312,043.04-125,513.50

Finding the Fourth Proportional to 226,115.50, 312,043.04 and 125,513.50

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Solution

The fourth proportional to 226,115.50, 312,043.04 and 125,513.50 is: 173,210.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,115.50 : 312,043.04 = 125,513.50 : x
  2. Step 2: Convert to fraction form
    226,115.50/312,043.04 = 125,513.50/x
  3. Step 3: Cross multiply
    226,115.50x = 312,043.04 × 125,513.50
  4. Step 4: Simplify right side
    226,115.50x = 39,165,614,101.04
  5. Step 5: Solve for x
    x = 39,165,614,101.04/226,115.50
  6. Step 6: Final answer
    x = 173,210.66

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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.