Home / 145,265.60-200,465.82-80,734.52

Finding the Fourth Proportional to 145,265.60, 200,465.82 and 80,734.52

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Solution

The fourth proportional to 145,265.60, 200,465.82 and 80,734.52 is: 111,413.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,265.60 : 200,465.82 = 80,734.52 : x
  2. Step 2: Convert to fraction form
    145,265.60/200,465.82 = 80,734.52/x
  3. Step 3: Cross multiply
    145,265.60x = 200,465.82 × 80,734.52
  4. Step 4: Simplify right side
    145,265.60x = 16,184,512,255.27
  5. Step 5: Solve for x
    x = 16,184,512,255.27/145,265.60
  6. Step 6: Final answer
    x = 111,413.25

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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.