Home / 141,184.89-210,531.89-121,589.37

Finding the Fourth Proportional to 141,184.89, 210,531.89 and 121,589.37

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Solution

The fourth proportional to 141,184.89, 210,531.89 and 121,589.37 is: 181,311.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,184.89 : 210,531.89 = 121,589.37 : x
  2. Step 2: Convert to fraction form
    141,184.89/210,531.89 = 121,589.37/x
  3. Step 3: Cross multiply
    141,184.89x = 210,531.89 × 121,589.37
  4. Step 4: Simplify right side
    141,184.89x = 25,598,440,173.98
  5. Step 5: Solve for x
    x = 25,598,440,173.98/141,184.89
  6. Step 6: Final answer
    x = 181,311.47

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.