Home / 141,725.70-195,581.45-78,063.50

Finding the Fourth Proportional to 141,725.70, 195,581.45 and 78,063.50

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Solution

The fourth proportional to 141,725.70, 195,581.45 and 78,063.50 is: 107,727.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,725.70 : 195,581.45 = 78,063.50 : x
  2. Step 2: Convert to fraction form
    141,725.70/195,581.45 = 78,063.50/x
  3. Step 3: Cross multiply
    141,725.70x = 195,581.45 × 78,063.50
  4. Step 4: Simplify right side
    141,725.70x = 15,267,771,153.85
  5. Step 5: Solve for x
    x = 15,267,771,153.85/141,725.70
  6. Step 6: Final answer
    x = 107,727.61

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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.