Home / 142,062.38-212,859.41-127,413.13

Finding the Fourth Proportional to 142,062.38, 212,859.41 and 127,413.13

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Solution

The fourth proportional to 142,062.38, 212,859.41 and 127,413.13 is: 190,909.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,062.38 : 212,859.41 = 127,413.13 : x
  2. Step 2: Convert to fraction form
    142,062.38/212,859.41 = 127,413.13/x
  3. Step 3: Cross multiply
    142,062.38x = 212,859.41 × 127,413.13
  4. Step 4: Simplify right side
    142,062.38x = 27,121,083,678.05
  5. Step 5: Solve for x
    x = 27,121,083,678.05/142,062.38
  6. Step 6: Final answer
    x = 190,909.68

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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.