Home / 147,411.06-203,427.27-80,343.06

Finding the Fourth Proportional to 147,411.06, 203,427.27 and 80,343.06

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Solution

The fourth proportional to 147,411.06, 203,427.27 and 80,343.06 is: 110,873.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,411.06 : 203,427.27 = 80,343.06 : x
  2. Step 2: Convert to fraction form
    147,411.06/203,427.27 = 80,343.06/x
  3. Step 3: Cross multiply
    147,411.06x = 203,427.27 × 80,343.06
  4. Step 4: Simplify right side
    147,411.06x = 16,343,969,359.25
  5. Step 5: Solve for x
    x = 16,343,969,359.25/147,411.06
  6. Step 6: Final answer
    x = 110,873.43

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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.