Home / 161,738.20-242,607.30-154,912.60

Finding the Fourth Proportional to 161,738.20, 242,607.30 and 154,912.60

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Solution

The fourth proportional to 161,738.20, 242,607.30 and 154,912.60 is: 232,368.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,738.20 : 242,607.30 = 154,912.60 : x
  2. Step 2: Convert to fraction form
    161,738.20/242,607.30 = 154,912.60/x
  3. Step 3: Cross multiply
    161,738.20x = 242,607.30 × 154,912.60
  4. Step 4: Simplify right side
    161,738.20x = 37,582,927,621.98
  5. Step 5: Solve for x
    x = 37,582,927,621.98/161,738.20
  6. Step 6: Final answer
    x = 232,368.90

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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.