Home / 140,579.30-210,635.66-98,938.82

Finding the Fourth Proportional to 140,579.30, 210,635.66 and 98,938.82

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Solution

The fourth proportional to 140,579.30, 210,635.66 and 98,938.82 is: 148,244.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,579.30 : 210,635.66 = 98,938.82 : x
  2. Step 2: Convert to fraction form
    140,579.30/210,635.66 = 98,938.82/x
  3. Step 3: Cross multiply
    140,579.30x = 210,635.66 × 98,938.82
  4. Step 4: Simplify right side
    140,579.30x = 20,840,043,650.32
  5. Step 5: Solve for x
    x = 20,840,043,650.32/140,579.30
  6. Step 6: Final answer
    x = 148,244.04

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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.