Home / 136,106.67-187,812.90-75,667.62

Finding the Fourth Proportional to 136,106.67, 187,812.90 and 75,667.62

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Solution

The fourth proportional to 136,106.67, 187,812.90 and 75,667.62 is: 104,413.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,106.67 : 187,812.90 = 75,667.62 : x
  2. Step 2: Convert to fraction form
    136,106.67/187,812.90 = 75,667.62/x
  3. Step 3: Cross multiply
    136,106.67x = 187,812.90 × 75,667.62
  4. Step 4: Simplify right side
    136,106.67x = 14,211,355,148.30
  5. Step 5: Solve for x
    x = 14,211,355,148.30/136,106.67
  6. Step 6: Final answer
    x = 104,413.36

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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.