Home / 141,899.89-195,823.38-77,368.60

Finding the Fourth Proportional to 141,899.89, 195,823.38 and 77,368.60

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Solution

The fourth proportional to 141,899.89, 195,823.38 and 77,368.60 is: 106,769.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,899.89 : 195,823.38 = 77,368.60 : x
  2. Step 2: Convert to fraction form
    141,899.89/195,823.38 = 77,368.60/x
  3. Step 3: Cross multiply
    141,899.89x = 195,823.38 × 77,368.60
  4. Step 4: Simplify right side
    141,899.89x = 15,150,580,268.31
  5. Step 5: Solve for x
    x = 15,150,580,268.31/141,899.89
  6. Step 6: Final answer
    x = 106,769.50

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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.