Home / 192,980.96-266,327.75-116,518.66

Finding the Fourth Proportional to 192,980.96, 266,327.75 and 116,518.66

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Solution

The fourth proportional to 192,980.96, 266,327.75 and 116,518.66 is: 160,804.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,980.96 : 266,327.75 = 116,518.66 : x
  2. Step 2: Convert to fraction form
    192,980.96/266,327.75 = 116,518.66/x
  3. Step 3: Cross multiply
    192,980.96x = 266,327.75 × 116,518.66
  4. Step 4: Simplify right side
    192,980.96x = 31,032,152,176.29
  5. Step 5: Solve for x
    x = 31,032,152,176.29/192,980.96
  6. Step 6: Final answer
    x = 160,804.21

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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.