Home / 178,768.31-246,739.57-123,655.16

Finding the Fourth Proportional to 178,768.31, 246,739.57 and 123,655.16

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Solution

The fourth proportional to 178,768.31, 246,739.57 and 123,655.16 is: 170,671.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,768.31 : 246,739.57 = 123,655.16 : x
  2. Step 2: Convert to fraction form
    178,768.31/246,739.57 = 123,655.16/x
  3. Step 3: Cross multiply
    178,768.31x = 246,739.57 × 123,655.16
  4. Step 4: Simplify right side
    178,768.31x = 30,510,621,314.39
  5. Step 5: Solve for x
    x = 30,510,621,314.39/178,768.31
  6. Step 6: Final answer
    x = 170,671.31

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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.