Home / 140,601.60-210,902.40-40,765.05

Finding the Fourth Proportional to 140,601.60, 210,902.40 and 40,765.05

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Solution

The fourth proportional to 140,601.60, 210,902.40 and 40,765.05 is: 61,147.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,601.60 : 210,902.40 = 40,765.05 : x
  2. Step 2: Convert to fraction form
    140,601.60/210,902.40 = 40,765.05/x
  3. Step 3: Cross multiply
    140,601.60x = 210,902.40 × 40,765.05
  4. Step 4: Simplify right side
    140,601.60x = 8,597,446,881.12
  5. Step 5: Solve for x
    x = 8,597,446,881.12/140,601.60
  6. Step 6: Final answer
    x = 61,147.58

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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.