Home / 210,413.11-290,365.60-114,920.19

Finding the Fourth Proportional to 210,413.11, 290,365.60 and 114,920.19

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Solution

The fourth proportional to 210,413.11, 290,365.60 and 114,920.19 is: 158,587.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,413.11 : 290,365.60 = 114,920.19 : x
  2. Step 2: Convert to fraction form
    210,413.11/290,365.60 = 114,920.19/x
  3. Step 3: Cross multiply
    210,413.11x = 290,365.60 × 114,920.19
  4. Step 4: Simplify right side
    210,413.11x = 33,368,869,921.46
  5. Step 5: Solve for x
    x = 33,368,869,921.46/210,413.11
  6. Step 6: Final answer
    x = 158,587.41

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1.5x scale

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.