Home / 133,485.47-200,228.25-39,991.22

Finding the Fourth Proportional to 133,485.47, 200,228.25 and 39,991.22

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Solution

The fourth proportional to 133,485.47, 200,228.25 and 39,991.22 is: 59,986.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,485.47 : 200,228.25 = 39,991.22 : x
  2. Step 2: Convert to fraction form
    133,485.47/200,228.25 = 39,991.22/x
  3. Step 3: Cross multiply
    133,485.47x = 200,228.25 × 39,991.22
  4. Step 4: Simplify right side
    133,485.47x = 8,007,371,895.65
  5. Step 5: Solve for x
    x = 8,007,371,895.65/133,485.47
  6. Step 6: Final answer
    x = 59,986.84

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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.