Home / 152,942.40-229,413.60-143,100.90

Finding the Fourth Proportional to 152,942.40, 229,413.60 and 143,100.90

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Solution

The fourth proportional to 152,942.40, 229,413.60 and 143,100.90 is: 214,651.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,942.40 : 229,413.60 = 143,100.90 : x
  2. Step 2: Convert to fraction form
    152,942.40/229,413.60 = 143,100.90/x
  3. Step 3: Cross multiply
    152,942.40x = 229,413.60 × 143,100.90
  4. Step 4: Simplify right side
    152,942.40x = 32,829,292,632.24
  5. Step 5: Solve for x
    x = 32,829,292,632.24/152,942.40
  6. Step 6: Final answer
    x = 214,651.35

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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.