Home / 133,865.61-200,525.04-74,732.78

Finding the Fourth Proportional to 133,865.61, 200,525.04 and 74,732.78

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Solution

The fourth proportional to 133,865.61, 200,525.04 and 74,732.78 is: 111,946.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,865.61 : 200,525.04 = 74,732.78 : x
  2. Step 2: Convert to fraction form
    133,865.61/200,525.04 = 74,732.78/x
  3. Step 3: Cross multiply
    133,865.61x = 200,525.04 × 74,732.78
  4. Step 4: Simplify right side
    133,865.61x = 14,985,793,698.81
  5. Step 5: Solve for x
    x = 14,985,793,698.81/133,865.61
  6. Step 6: Final answer
    x = 111,946.55

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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.