Home / 141,333.82-195,038.43-77,670.25

Finding the Fourth Proportional to 141,333.82, 195,038.43 and 77,670.25

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Solution

The fourth proportional to 141,333.82, 195,038.43 and 77,670.25 is: 107,183.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,333.82 : 195,038.43 = 77,670.25 : x
  2. Step 2: Convert to fraction form
    141,333.82/195,038.43 = 77,670.25/x
  3. Step 3: Cross multiply
    141,333.82x = 195,038.43 × 77,670.25
  4. Step 4: Simplify right side
    141,333.82x = 15,148,683,617.71
  5. Step 5: Solve for x
    x = 15,148,683,617.71/141,333.82
  6. Step 6: Final answer
    x = 107,183.71

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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.