Home / 83,413.10-125,118.64-20,233.76

Finding the Fourth Proportional to 83,413.10, 125,118.64 and 20,233.76

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Solution

The fourth proportional to 83,413.10, 125,118.64 and 20,233.76 is: 30,350.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,413.10 : 125,118.64 = 20,233.76 : x
  2. Step 2: Convert to fraction form
    83,413.10/125,118.64 = 20,233.76/x
  3. Step 3: Cross multiply
    83,413.10x = 125,118.64 × 20,233.76
  4. Step 4: Simplify right side
    83,413.10x = 2,531,620,533.29
  5. Step 5: Solve for x
    x = 2,531,620,533.29/83,413.10
  6. Step 6: Final answer
    x = 30,350.40

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1.5x scale

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.