Home / 131,485.44-197,208.72-48,360

Finding the Fourth Proportional to 131,485.44, 197,208.72 and 48,360

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Solution

The fourth proportional to 131,485.44, 197,208.72 and 48,360 is: 72,532.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,485.44 : 197,208.72 = 48,360 : x
  2. Step 2: Convert to fraction form
    131,485.44/197,208.72 = 48,360/x
  3. Step 3: Cross multiply
    131,485.44x = 197,208.72 × 48,360
  4. Step 4: Simplify right side
    131,485.44x = 9,537,013,699.20
  5. Step 5: Solve for x
    x = 9,537,013,699.20/131,485.44
  6. Step 6: Final answer
    x = 72,532.85

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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.