Home / 145,187.20-217,808.34-50,413.69

Finding the Fourth Proportional to 145,187.20, 217,808.34 and 50,413.69

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Solution

The fourth proportional to 145,187.20, 217,808.34 and 50,413.69 is: 75,630.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,187.20 : 217,808.34 = 50,413.69 : x
  2. Step 2: Convert to fraction form
    145,187.20/217,808.34 = 50,413.69/x
  3. Step 3: Cross multiply
    145,187.20x = 217,808.34 × 50,413.69
  4. Step 4: Simplify right side
    145,187.20x = 10,980,522,132.17
  5. Step 5: Solve for x
    x = 10,980,522,132.17/145,187.20
  6. Step 6: Final answer
    x = 75,630.10

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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.