Home / 112,943.03-169,413.57-28,703.43

Finding the Fourth Proportional to 112,943.03, 169,413.57 and 28,703.43

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Solution

The fourth proportional to 112,943.03, 169,413.57 and 28,703.43 is: 43,054.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,943.03 : 169,413.57 = 28,703.43 : x
  2. Step 2: Convert to fraction form
    112,943.03/169,413.57 = 28,703.43/x
  3. Step 3: Cross multiply
    112,943.03x = 169,413.57 × 28,703.43
  4. Step 4: Simplify right side
    112,943.03x = 4,862,750,547.55
  5. Step 5: Solve for x
    x = 4,862,750,547.55/112,943.03
  6. Step 6: Final answer
    x = 43,054.90

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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.