Home / 141,407.04-195,141.92-77,745.92

Finding the Fourth Proportional to 141,407.04, 195,141.92 and 77,745.92

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Solution

The fourth proportional to 141,407.04, 195,141.92 and 77,745.92 is: 107,289.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,407.04 : 195,141.92 = 77,745.92 : x
  2. Step 2: Convert to fraction form
    141,407.04/195,141.92 = 77,745.92/x
  3. Step 3: Cross multiply
    141,407.04x = 195,141.92 × 77,745.92
  4. Step 4: Simplify right side
    141,407.04x = 15,171,488,100.97
  5. Step 5: Solve for x
    x = 15,171,488,100.97/141,407.04
  6. Step 6: Final answer
    x = 107,289.48

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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.