Home / 136,254.94-188,010.85-85,243.03

Finding the Fourth Proportional to 136,254.94, 188,010.85 and 85,243.03

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Solution

The fourth proportional to 136,254.94, 188,010.85 and 85,243.03 is: 117,622.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,254.94 : 188,010.85 = 85,243.03 : x
  2. Step 2: Convert to fraction form
    136,254.94/188,010.85 = 85,243.03/x
  3. Step 3: Cross multiply
    136,254.94x = 188,010.85 × 85,243.03
  4. Step 4: Simplify right side
    136,254.94x = 16,026,614,526.88
  5. Step 5: Solve for x
    x = 16,026,614,526.88/136,254.94
  6. Step 6: Final answer
    x = 117,622.26

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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.