Home / 140,773.08-210,629.88-98,735.20

Finding the Fourth Proportional to 140,773.08, 210,629.88 and 98,735.20

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Solution

The fourth proportional to 140,773.08, 210,629.88 and 98,735.20 is: 147,731.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,773.08 : 210,629.88 = 98,735.20 : x
  2. Step 2: Convert to fraction form
    140,773.08/210,629.88 = 98,735.20/x
  3. Step 3: Cross multiply
    140,773.08x = 210,629.88 × 98,735.20
  4. Step 4: Simplify right side
    140,773.08x = 20,796,582,801.20
  5. Step 5: Solve for x
    x = 20,796,582,801.20/140,773.08
  6. Step 6: Final answer
    x = 147,731.25

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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.