Home / 228,019.25-314,726.83-131,235.02

Finding the Fourth Proportional to 228,019.25, 314,726.83 and 131,235.02

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Solution

The fourth proportional to 228,019.25, 314,726.83 and 131,235.02 is: 181,139.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,019.25 : 314,726.83 = 131,235.02 : x
  2. Step 2: Convert to fraction form
    228,019.25/314,726.83 = 131,235.02/x
  3. Step 3: Cross multiply
    228,019.25x = 314,726.83 × 131,235.02
  4. Step 4: Simplify right side
    228,019.25x = 41,303,181,846.29
  5. Step 5: Solve for x
    x = 41,303,181,846.29/228,019.25
  6. Step 6: Final answer
    x = 181,139.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.