Home / 141,465.88-195,224.54-77,804.74

Finding the Fourth Proportional to 141,465.88, 195,224.54 and 77,804.74

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Solution

The fourth proportional to 141,465.88, 195,224.54 and 77,804.74 is: 107,371.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,465.88 : 195,224.54 = 77,804.74 : x
  2. Step 2: Convert to fraction form
    141,465.88/195,224.54 = 77,804.74/x
  3. Step 3: Cross multiply
    141,465.88x = 195,224.54 × 77,804.74
  4. Step 4: Simplify right side
    141,465.88x = 15,189,394,576.32
  5. Step 5: Solve for x
    x = 15,189,394,576.32/141,465.88
  6. Step 6: Final answer
    x = 107,371.44

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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.