Home / 141,403.01-195,137.46-77,741.25

Finding the Fourth Proportional to 141,403.01, 195,137.46 and 77,741.25

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Solution

The fourth proportional to 141,403.01, 195,137.46 and 77,741.25 is: 107,283.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,403.01 : 195,137.46 = 77,741.25 : x
  2. Step 2: Convert to fraction form
    141,403.01/195,137.46 = 77,741.25/x
  3. Step 3: Cross multiply
    141,403.01x = 195,137.46 × 77,741.25
  4. Step 4: Simplify right side
    141,403.01x = 15,170,230,062.23
  5. Step 5: Solve for x
    x = 15,170,230,062.23/141,403.01
  6. Step 6: Final answer
    x = 107,283.64

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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.