Home / 210,198.56-315,289.02-97,840.14

Finding the Fourth Proportional to 210,198.56, 315,289.02 and 97,840.14

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Solution

The fourth proportional to 210,198.56, 315,289.02 and 97,840.14 is: 146,756.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,198.56 : 315,289.02 = 97,840.14 : x
  2. Step 2: Convert to fraction form
    210,198.56/315,289.02 = 97,840.14/x
  3. Step 3: Cross multiply
    210,198.56x = 315,289.02 × 97,840.14
  4. Step 4: Simplify right side
    210,198.56x = 30,847,921,857.26
  5. Step 5: Solve for x
    x = 30,847,921,857.26/210,198.56
  6. Step 6: Final answer
    x = 146,756.10

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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.