Home / 141,708.92-195,567.16-78,046.70

Finding the Fourth Proportional to 141,708.92, 195,567.16 and 78,046.70

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Solution

The fourth proportional to 141,708.92, 195,567.16 and 78,046.70 is: 107,709.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,708.92 : 195,567.16 = 78,046.70 : x
  2. Step 2: Convert to fraction form
    141,708.92/195,567.16 = 78,046.70/x
  3. Step 3: Cross multiply
    141,708.92x = 195,567.16 × 78,046.70
  4. Step 4: Simplify right side
    141,708.92x = 15,263,371,466.37
  5. Step 5: Solve for x
    x = 15,263,371,466.37/141,708.92
  6. Step 6: Final answer
    x = 107,709.32

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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.