Home / 199,190.72-274,762.32-118,564.40

Finding the Fourth Proportional to 199,190.72, 274,762.32 and 118,564.40

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Solution

The fourth proportional to 199,190.72, 274,762.32 and 118,564.40 is: 163,546.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,190.72 : 274,762.32 = 118,564.40 : x
  2. Step 2: Convert to fraction form
    199,190.72/274,762.32 = 118,564.40/x
  3. Step 3: Cross multiply
    199,190.72x = 274,762.32 × 118,564.40
  4. Step 4: Simplify right side
    199,190.72x = 32,577,029,613.41
  5. Step 5: Solve for x
    x = 32,577,029,613.41/199,190.72
  6. Step 6: Final answer
    x = 163,546.92

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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.