Home / 234,975.12-324,117.84-139,414

Finding the Fourth Proportional to 234,975.12, 324,117.84 and 139,414

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Solution

The fourth proportional to 234,975.12, 324,117.84 and 139,414 is: 192,303.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,975.12 : 324,117.84 = 139,414 : x
  2. Step 2: Convert to fraction form
    234,975.12/324,117.84 = 139,414/x
  3. Step 3: Cross multiply
    234,975.12x = 324,117.84 × 139,414
  4. Step 4: Simplify right side
    234,975.12x = 45,186,564,545.76
  5. Step 5: Solve for x
    x = 45,186,564,545.76/234,975.12
  6. Step 6: Final answer
    x = 192,303.61

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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.