Home / 230,180.56-317,665.14-139,540.35

Finding the Fourth Proportional to 230,180.56, 317,665.14 and 139,540.35

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Solution

The fourth proportional to 230,180.56, 317,665.14 and 139,540.35 is: 192,575.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,180.56 : 317,665.14 = 139,540.35 : x
  2. Step 2: Convert to fraction form
    230,180.56/317,665.14 = 139,540.35/x
  3. Step 3: Cross multiply
    230,180.56x = 317,665.14 × 139,540.35
  4. Step 4: Simplify right side
    230,180.56x = 44,327,102,532.37
  5. Step 5: Solve for x
    x = 44,327,102,532.37/230,180.56
  6. Step 6: Final answer
    x = 192,575.35

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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.