Home / 143,439.12-215,187.84-49,952.16

Finding the Fourth Proportional to 143,439.12, 215,187.84 and 49,952.16

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Solution

The fourth proportional to 143,439.12, 215,187.84 and 49,952.16 is: 74,938.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,439.12 : 215,187.84 = 49,952.16 : x
  2. Step 2: Convert to fraction form
    143,439.12/215,187.84 = 49,952.16/x
  3. Step 3: Cross multiply
    143,439.12x = 215,187.84 × 49,952.16
  4. Step 4: Simplify right side
    143,439.12x = 10,749,097,413.73
  5. Step 5: Solve for x
    x = 10,749,097,413.73/143,439.12
  6. Step 6: Final answer
    x = 74,938.39

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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.