Home / 75,413.63-113,120.34-19,253.74

Finding the Fourth Proportional to 75,413.63, 113,120.34 and 19,253.74

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Solution

The fourth proportional to 75,413.63, 113,120.34 and 19,253.74 is: 28,880.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,413.63 : 113,120.34 = 19,253.74 : x
  2. Step 2: Convert to fraction form
    75,413.63/113,120.34 = 19,253.74/x
  3. Step 3: Cross multiply
    75,413.63x = 113,120.34 × 19,253.74
  4. Step 4: Simplify right side
    75,413.63x = 2,177,989,615.07
  5. Step 5: Solve for x
    x = 2,177,989,615.07/75,413.63
  6. Step 6: Final answer
    x = 28,880.58

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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.