Home / 219,321.22-302,660.67-123,831.94

Finding the Fourth Proportional to 219,321.22, 302,660.67 and 123,831.94

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Solution

The fourth proportional to 219,321.22, 302,660.67 and 123,831.94 is: 170,886.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,321.22 : 302,660.67 = 123,831.94 : x
  2. Step 2: Convert to fraction form
    219,321.22/302,660.67 = 123,831.94/x
  3. Step 3: Cross multiply
    219,321.22x = 302,660.67 × 123,831.94
  4. Step 4: Simplify right side
    219,321.22x = 37,479,057,927.80
  5. Step 5: Solve for x
    x = 37,479,057,927.80/219,321.22
  6. Step 6: Final answer
    x = 170,886.60

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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.