Home / 141,779.94-195,651.66-81,349.62

Finding the Fourth Proportional to 141,779.94, 195,651.66 and 81,349.62

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Solution

The fourth proportional to 141,779.94, 195,651.66 and 81,349.62 is: 112,259.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,779.94 : 195,651.66 = 81,349.62 : x
  2. Step 2: Convert to fraction form
    141,779.94/195,651.66 = 81,349.62/x
  3. Step 3: Cross multiply
    141,779.94x = 195,651.66 × 81,349.62
  4. Step 4: Simplify right side
    141,779.94x = 15,916,188,193.37
  5. Step 5: Solve for x
    x = 15,916,188,193.37/141,779.94
  6. Step 6: Final answer
    x = 112,259.80

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1.5x scale

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.