Home / 141,986.85-212,980.29-133,326.33

Finding the Fourth Proportional to 141,986.85, 212,980.29 and 133,326.33

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Solution

The fourth proportional to 141,986.85, 212,980.29 and 133,326.33 is: 199,989.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,986.85 : 212,980.29 = 133,326.33 : x
  2. Step 2: Convert to fraction form
    141,986.85/212,980.29 = 133,326.33/x
  3. Step 3: Cross multiply
    141,986.85x = 212,980.29 × 133,326.33
  4. Step 4: Simplify right side
    141,986.85x = 28,395,880,428.04
  5. Step 5: Solve for x
    x = 28,395,880,428.04/141,986.85
  6. Step 6: Final answer
    x = 199,989.51

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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.