Home / 97,074.42-145,611.54-30,520.38

Finding the Fourth Proportional to 97,074.42, 145,611.54 and 30,520.38

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Solution

The fourth proportional to 97,074.42, 145,611.54 and 30,520.38 is: 45,780.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,074.42 : 145,611.54 = 30,520.38 : x
  2. Step 2: Convert to fraction form
    97,074.42/145,611.54 = 30,520.38/x
  3. Step 3: Cross multiply
    97,074.42x = 145,611.54 × 30,520.38
  4. Step 4: Simplify right side
    97,074.42x = 4,444,119,533.19
  5. Step 5: Solve for x
    x = 4,444,119,533.19/97,074.42
  6. Step 6: Final answer
    x = 45,780.54

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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.