Home / 133,630.40-200,447.28-40,130.72

Finding the Fourth Proportional to 133,630.40, 200,447.28 and 40,130.72

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Solution

The fourth proportional to 133,630.40, 200,447.28 and 40,130.72 is: 60,196.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,630.40 : 200,447.28 = 40,130.72 : x
  2. Step 2: Convert to fraction form
    133,630.40/200,447.28 = 40,130.72/x
  3. Step 3: Cross multiply
    133,630.40x = 200,447.28 × 40,130.72
  4. Step 4: Simplify right side
    133,630.40x = 8,044,093,668.44
  5. Step 5: Solve for x
    x = 8,044,093,668.44/133,630.40
  6. Step 6: Final answer
    x = 60,196.58

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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.