Home / 248,712.15-373,140.87-80,228.74

Finding the Fourth Proportional to 248,712.15, 373,140.87 and 80,228.74

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Solution

The fourth proportional to 248,712.15, 373,140.87 and 80,228.74 is: 120,366.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,712.15 : 373,140.87 = 80,228.74 : x
  2. Step 2: Convert to fraction form
    248,712.15/373,140.87 = 80,228.74/x
  3. Step 3: Cross multiply
    248,712.15x = 373,140.87 × 80,228.74
  4. Step 4: Simplify right side
    248,712.15x = 29,936,621,210.61
  5. Step 5: Solve for x
    x = 29,936,621,210.61/248,712.15
  6. Step 6: Final answer
    x = 120,366.54

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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.