Home / 226,569.74-312,642-131,058.58

Finding the Fourth Proportional to 226,569.74, 312,642 and 131,058.58

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Solution

The fourth proportional to 226,569.74, 312,642 and 131,058.58 is: 180,846.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,569.74 : 312,642 = 131,058.58 : x
  2. Step 2: Convert to fraction form
    226,569.74/312,642 = 131,058.58/x
  3. Step 3: Cross multiply
    226,569.74x = 312,642 × 131,058.58
  4. Step 4: Simplify right side
    226,569.74x = 40,974,416,568.36
  5. Step 5: Solve for x
    x = 40,974,416,568.36/226,569.74
  6. Step 6: Final answer
    x = 180,846.82

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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.