Home / 133,974.12-200,820.72-45,197.04

Finding the Fourth Proportional to 133,974.12, 200,820.72 and 45,197.04

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Solution

The fourth proportional to 133,974.12, 200,820.72 and 45,197.04 is: 67,748.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,974.12 : 200,820.72 = 45,197.04 : x
  2. Step 2: Convert to fraction form
    133,974.12/200,820.72 = 45,197.04/x
  3. Step 3: Cross multiply
    133,974.12x = 200,820.72 × 45,197.04
  4. Step 4: Simplify right side
    133,974.12x = 9,076,502,114.67
  5. Step 5: Solve for x
    x = 9,076,502,114.67/133,974.12
  6. Step 6: Final answer
    x = 67,748.17

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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.