Home / 234,946.78-324,226.86-127,516.80

Finding the Fourth Proportional to 234,946.78, 324,226.86 and 127,516.80

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Solution

The fourth proportional to 234,946.78, 324,226.86 and 127,516.80 is: 175,973.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,946.78 : 324,226.86 = 127,516.80 : x
  2. Step 2: Convert to fraction form
    234,946.78/324,226.86 = 127,516.80/x
  3. Step 3: Cross multiply
    234,946.78x = 324,226.86 × 127,516.80
  4. Step 4: Simplify right side
    234,946.78x = 41,344,371,661.25
  5. Step 5: Solve for x
    x = 41,344,371,661.25/234,946.78
  6. Step 6: Final answer
    x = 175,973.35

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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.