Home / 210,174.92-290,042.22-114,683.60

Finding the Fourth Proportional to 210,174.92, 290,042.22 and 114,683.60

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Solution

The fourth proportional to 210,174.92, 290,042.22 and 114,683.60 is: 158,263.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,174.92 : 290,042.22 = 114,683.60 : x
  2. Step 2: Convert to fraction form
    210,174.92/290,042.22 = 114,683.60/x
  3. Step 3: Cross multiply
    210,174.92x = 290,042.22 × 114,683.60
  4. Step 4: Simplify right side
    210,174.92x = 33,263,085,941.59
  5. Step 5: Solve for x
    x = 33,263,085,941.59/210,174.92
  6. Step 6: Final answer
    x = 158,263.82

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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.