Home / 141,460.63-195,219.75-77,802.53

Finding the Fourth Proportional to 141,460.63, 195,219.75 and 77,802.53

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Solution

The fourth proportional to 141,460.63, 195,219.75 and 77,802.53 is: 107,369.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,460.63 : 195,219.75 = 77,802.53 : x
  2. Step 2: Convert to fraction form
    141,460.63/195,219.75 = 77,802.53/x
  3. Step 3: Cross multiply
    141,460.63x = 195,219.75 × 77,802.53
  4. Step 4: Simplify right side
    141,460.63x = 15,188,589,771.63
  5. Step 5: Solve for x
    x = 15,188,589,771.63/141,460.63
  6. Step 6: Final answer
    x = 107,369.73

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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.