Home / 112,341.70-168,413.82-45,837.82

Finding the Fourth Proportional to 112,341.70, 168,413.82 and 45,837.82

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Solution

The fourth proportional to 112,341.70, 168,413.82 and 45,837.82 is: 68,716.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,341.70 : 168,413.82 = 45,837.82 : x
  2. Step 2: Convert to fraction form
    112,341.70/168,413.82 = 45,837.82/x
  3. Step 3: Cross multiply
    112,341.70x = 168,413.82 × 45,837.82
  4. Step 4: Simplify right side
    112,341.70x = 7,719,722,366.67
  5. Step 5: Solve for x
    x = 7,719,722,366.67/112,341.70
  6. Step 6: Final answer
    x = 68,716.45

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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.