Home / 151,800.12-227,395.61-139,399.02

Finding the Fourth Proportional to 151,800.12, 227,395.61 and 139,399.02

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Solution

The fourth proportional to 151,800.12, 227,395.61 and 139,399.02 is: 208,818.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,800.12 : 227,395.61 = 139,399.02 : x
  2. Step 2: Convert to fraction form
    151,800.12/227,395.61 = 139,399.02/x
  3. Step 3: Cross multiply
    151,800.12x = 227,395.61 × 139,399.02
  4. Step 4: Simplify right side
    151,800.12x = 31,698,724,049.32
  5. Step 5: Solve for x
    x = 31,698,724,049.32/151,800.12
  6. Step 6: Final answer
    x = 208,818.84

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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.