Home / 226,117.30-312,026.26-125,507.38

Finding the Fourth Proportional to 226,117.30, 312,026.26 and 125,507.38

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Solution

The fourth proportional to 226,117.30, 312,026.26 and 125,507.38 is: 173,191.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,117.30 : 312,026.26 = 125,507.38 : x
  2. Step 2: Convert to fraction form
    226,117.30/312,026.26 = 125,507.38/x
  3. Step 3: Cross multiply
    226,117.30x = 312,026.26 × 125,507.38
  4. Step 4: Simplify right side
    226,117.30x = 39,161,596,196.13
  5. Step 5: Solve for x
    x = 39,161,596,196.13/226,117.30
  6. Step 6: Final answer
    x = 173,191.51

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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.