Home / 234,946.98-324,079.32-139,386

Finding the Fourth Proportional to 234,946.98, 324,079.32 and 139,386

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Solution

The fourth proportional to 234,946.98, 324,079.32 and 139,386 is: 192,265.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,946.98 : 324,079.32 = 139,386 : x
  2. Step 2: Convert to fraction form
    234,946.98/324,079.32 = 139,386/x
  3. Step 3: Cross multiply
    234,946.98x = 324,079.32 × 139,386
  4. Step 4: Simplify right side
    234,946.98x = 45,172,120,097.52
  5. Step 5: Solve for x
    x = 45,172,120,097.52/234,946.98
  6. Step 6: Final answer
    x = 192,265.17

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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.