Home / 100,852.90-151,279.35-30,735.70

Finding the Fourth Proportional to 100,852.90, 151,279.35 and 30,735.70

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Solution

The fourth proportional to 100,852.90, 151,279.35 and 30,735.70 is: 46,103.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,852.90 : 151,279.35 = 30,735.70 : x
  2. Step 2: Convert to fraction form
    100,852.90/151,279.35 = 30,735.70/x
  3. Step 3: Cross multiply
    100,852.90x = 151,279.35 × 30,735.70
  4. Step 4: Simplify right side
    100,852.90x = 4,649,676,717.80
  5. Step 5: Solve for x
    x = 4,649,676,717.80/100,852.90
  6. Step 6: Final answer
    x = 46,103.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.