Home / 99,413.04-137,145.41-67,137.17

Finding the Fourth Proportional to 99,413.04, 137,145.41 and 67,137.17

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Solution

The fourth proportional to 99,413.04, 137,145.41 and 67,137.17 is: 92,619.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,413.04 : 137,145.41 = 67,137.17 : x
  2. Step 2: Convert to fraction form
    99,413.04/137,145.41 = 67,137.17/x
  3. Step 3: Cross multiply
    99,413.04x = 137,145.41 × 67,137.17
  4. Step 4: Simplify right side
    99,413.04x = 9,207,554,370.20
  5. Step 5: Solve for x
    x = 9,207,554,370.20/99,413.04
  6. Step 6: Final answer
    x = 92,619.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.