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Finding the Fourth Proportional to 201,087.93, 301,632.81 and 67,968.90

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Solution

The fourth proportional to 201,087.93, 301,632.81 and 67,968.90 is: 101,953.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,087.93 : 301,632.81 = 67,968.90 : x
  2. Step 2: Convert to fraction form
    201,087.93/301,632.81 = 67,968.90/x
  3. Step 3: Cross multiply
    201,087.93x = 301,632.81 × 67,968.90
  4. Step 4: Simplify right side
    201,087.93x = 20,501,650,299.61
  5. Step 5: Solve for x
    x = 20,501,650,299.61/201,087.93
  6. Step 6: Final answer
    x = 101,953.66

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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.