Home / 143,809.40-215,221.62-118,546.04

Finding the Fourth Proportional to 143,809.40, 215,221.62 and 118,546.04

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Solution

The fourth proportional to 143,809.40, 215,221.62 and 118,546.04 is: 177,413.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,809.40 : 215,221.62 = 118,546.04 : x
  2. Step 2: Convert to fraction form
    143,809.40/215,221.62 = 118,546.04/x
  3. Step 3: Cross multiply
    143,809.40x = 215,221.62 × 118,546.04
  4. Step 4: Simplify right side
    143,809.40x = 25,513,670,773.38
  5. Step 5: Solve for x
    x = 25,513,670,773.38/143,809.40
  6. Step 6: Final answer
    x = 177,413.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.