Home / 100,555.50-150,896.78-56,211.34

Finding the Fourth Proportional to 100,555.50, 150,896.78 and 56,211.34

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Solution

The fourth proportional to 100,555.50, 150,896.78 and 56,211.34 is: 84,352.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,555.50 : 150,896.78 = 56,211.34 : x
  2. Step 2: Convert to fraction form
    100,555.50/150,896.78 = 56,211.34/x
  3. Step 3: Cross multiply
    100,555.50x = 150,896.78 × 56,211.34
  4. Step 4: Simplify right side
    100,555.50x = 8,482,110,205.49
  5. Step 5: Solve for x
    x = 8,482,110,205.49/100,555.50
  6. Step 6: Final answer
    x = 84,352.52

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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.