Home / 140,410.12-210,802.02-73,896.96

Finding the Fourth Proportional to 140,410.12, 210,802.02 and 73,896.96

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Solution

The fourth proportional to 140,410.12, 210,802.02 and 73,896.96 is: 110,943.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,410.12 : 210,802.02 = 73,896.96 : x
  2. Step 2: Convert to fraction form
    140,410.12/210,802.02 = 73,896.96/x
  3. Step 3: Cross multiply
    140,410.12x = 210,802.02 × 73,896.96
  4. Step 4: Simplify right side
    140,410.12x = 15,577,628,439.86
  5. Step 5: Solve for x
    x = 15,577,628,439.86/140,410.12
  6. Step 6: Final answer
    x = 110,943.77

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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.