Home / 141,467.63-195,226.96-77,806.49

Finding the Fourth Proportional to 141,467.63, 195,226.96 and 77,806.49

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Solution

The fourth proportional to 141,467.63, 195,226.96 and 77,806.49 is: 107,373.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,467.63 : 195,226.96 = 77,806.49 : x
  2. Step 2: Convert to fraction form
    141,467.63/195,226.96 = 77,806.49/x
  3. Step 3: Cross multiply
    141,467.63x = 195,226.96 × 77,806.49
  4. Step 4: Simplify right side
    141,467.63x = 15,189,924,510.97
  5. Step 5: Solve for x
    x = 15,189,924,510.97/141,467.63
  6. Step 6: Final answer
    x = 107,373.85

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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.