Home / 141,317.07-195,017.67-76,786.80

Finding the Fourth Proportional to 141,317.07, 195,017.67 and 76,786.80

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Solution

The fourth proportional to 141,317.07, 195,017.67 and 76,786.80 is: 105,965.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,317.07 : 195,017.67 = 76,786.80 : x
  2. Step 2: Convert to fraction form
    141,317.07/195,017.67 = 76,786.80/x
  3. Step 3: Cross multiply
    141,317.07x = 195,017.67 × 76,786.80
  4. Step 4: Simplify right side
    141,317.07x = 14,974,782,822.76
  5. Step 5: Solve for x
    x = 14,974,782,822.76/141,317.07
  6. Step 6: Final answer
    x = 105,965.85

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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.