Home / 131,477.20-197,215.80-123,701.20

Finding the Fourth Proportional to 131,477.20, 197,215.80 and 123,701.20

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Solution

The fourth proportional to 131,477.20, 197,215.80 and 123,701.20 is: 185,551.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,477.20 : 197,215.80 = 123,701.20 : x
  2. Step 2: Convert to fraction form
    131,477.20/197,215.80 = 123,701.20/x
  3. Step 3: Cross multiply
    131,477.20x = 197,215.80 × 123,701.20
  4. Step 4: Simplify right side
    131,477.20x = 24,395,831,118.96
  5. Step 5: Solve for x
    x = 24,395,831,118.96/131,477.20
  6. Step 6: Final answer
    x = 185,551.80

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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.