Home / 140,579.55-210,636.05-98,939.07

Finding the Fourth Proportional to 140,579.55, 210,636.05 and 98,939.07

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Solution

The fourth proportional to 140,579.55, 210,636.05 and 98,939.07 is: 148,244.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,579.55 : 210,636.05 = 98,939.07 : x
  2. Step 2: Convert to fraction form
    140,579.55/210,636.05 = 98,939.07/x
  3. Step 3: Cross multiply
    140,579.55x = 210,636.05 × 98,939.07
  4. Step 4: Simplify right side
    140,579.55x = 20,840,134,400.78
  5. Step 5: Solve for x
    x = 20,840,134,400.78/140,579.55
  6. Step 6: Final answer
    x = 148,244.42

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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.