Home / 109,074.24-163,611.36-30,188.45

Finding the Fourth Proportional to 109,074.24, 163,611.36 and 30,188.45

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Solution

The fourth proportional to 109,074.24, 163,611.36 and 30,188.45 is: 45,282.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,074.24 : 163,611.36 = 30,188.45 : x
  2. Step 2: Convert to fraction form
    109,074.24/163,611.36 = 30,188.45/x
  3. Step 3: Cross multiply
    109,074.24x = 163,611.36 × 30,188.45
  4. Step 4: Simplify right side
    109,074.24x = 4,939,173,769.82
  5. Step 5: Solve for x
    x = 4,939,173,769.82/109,074.24
  6. Step 6: Final answer
    x = 45,282.68

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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.