Home / 119,019.38-164,246.74-68,718.38

Finding the Fourth Proportional to 119,019.38, 164,246.74 and 68,718.38

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Solution

The fourth proportional to 119,019.38, 164,246.74 and 68,718.38 is: 94,831.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,019.38 : 164,246.74 = 68,718.38 : x
  2. Step 2: Convert to fraction form
    119,019.38/164,246.74 = 68,718.38/x
  3. Step 3: Cross multiply
    119,019.38x = 164,246.74 × 68,718.38
  4. Step 4: Simplify right side
    119,019.38x = 11,286,768,900.05
  5. Step 5: Solve for x
    x = 11,286,768,900.05/119,019.38
  6. Step 6: Final answer
    x = 94,831.36

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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.