Home / 142,413.40-213,746.82-75,908.44

Finding the Fourth Proportional to 142,413.40, 213,746.82 and 75,908.44

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Solution

The fourth proportional to 142,413.40, 213,746.82 and 75,908.44 is: 113,930.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,413.40 : 213,746.82 = 75,908.44 : x
  2. Step 2: Convert to fraction form
    142,413.40/213,746.82 = 75,908.44/x
  3. Step 3: Cross multiply
    142,413.40x = 213,746.82 × 75,908.44
  4. Step 4: Simplify right side
    142,413.40x = 16,225,187,661.16
  5. Step 5: Solve for x
    x = 16,225,187,661.16/142,413.40
  6. Step 6: Final answer
    x = 113,930.20

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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.