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Finding the Fourth Proportional to 147,072.88, 202,962.60 and 80,004.88

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Solution

The fourth proportional to 147,072.88, 202,962.60 and 80,004.88 is: 110,407.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,072.88 : 202,962.60 = 80,004.88 : x
  2. Step 2: Convert to fraction form
    147,072.88/202,962.60 = 80,004.88/x
  3. Step 3: Cross multiply
    147,072.88x = 202,962.60 × 80,004.88
  4. Step 4: Simplify right side
    147,072.88x = 16,237,998,457.49
  5. Step 5: Solve for x
    x = 16,237,998,457.49/147,072.88
  6. Step 6: Final answer
    x = 110,407.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.