Home / 91,413.10-137,136.81-41,496.70

Finding the Fourth Proportional to 91,413.10, 137,136.81 and 41,496.70

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Solution

The fourth proportional to 91,413.10, 137,136.81 and 41,496.70 is: 62,252.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,413.10 : 137,136.81 = 41,496.70 : x
  2. Step 2: Convert to fraction form
    91,413.10/137,136.81 = 41,496.70/x
  3. Step 3: Cross multiply
    91,413.10x = 137,136.81 × 41,496.70
  4. Step 4: Simplify right side
    91,413.10x = 5,690,725,063.53
  5. Step 5: Solve for x
    x = 5,690,725,063.53/91,413.10
  6. Step 6: Final answer
    x = 62,252.84

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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.