Home / 100,108.12-150,211.37-46,803.75

Finding the Fourth Proportional to 100,108.12, 150,211.37 and 46,803.75

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Solution

The fourth proportional to 100,108.12, 150,211.37 and 46,803.75 is: 70,228.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,108.12 : 150,211.37 = 46,803.75 : x
  2. Step 2: Convert to fraction form
    100,108.12/150,211.37 = 46,803.75/x
  3. Step 3: Cross multiply
    100,108.12x = 150,211.37 × 46,803.75
  4. Step 4: Simplify right side
    100,108.12x = 7,030,455,408.64
  5. Step 5: Solve for x
    x = 7,030,455,408.64/100,108.12
  6. Step 6: Final answer
    x = 70,228.62

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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.