Home / 159,724.02-239,399.73-120,153.90

Finding the Fourth Proportional to 159,724.02, 239,399.73 and 120,153.90

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Solution

The fourth proportional to 159,724.02, 239,399.73 and 120,153.90 is: 180,090.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,724.02 : 239,399.73 = 120,153.90 : x
  2. Step 2: Convert to fraction form
    159,724.02/239,399.73 = 120,153.90/x
  3. Step 3: Cross multiply
    159,724.02x = 239,399.73 × 120,153.90
  4. Step 4: Simplify right side
    159,724.02x = 28,764,811,218.45
  5. Step 5: Solve for x
    x = 28,764,811,218.45/159,724.02
  6. Step 6: Final answer
    x = 180,090.70

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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.