Home / 141,427.67-212,001.37-66,413.53

Finding the Fourth Proportional to 141,427.67, 212,001.37 and 66,413.53

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Solution

The fourth proportional to 141,427.67, 212,001.37 and 66,413.53 is: 99,554.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,427.67 : 212,001.37 = 66,413.53 : x
  2. Step 2: Convert to fraction form
    141,427.67/212,001.37 = 66,413.53/x
  3. Step 3: Cross multiply
    141,427.67x = 212,001.37 × 66,413.53
  4. Step 4: Simplify right side
    141,427.67x = 14,079,759,346.54
  5. Step 5: Solve for x
    x = 14,079,759,346.54/141,427.67
  6. Step 6: Final answer
    x = 99,554.49

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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.