Home / 140,052.90-210,106.66-45,306.56

Finding the Fourth Proportional to 140,052.90, 210,106.66 and 45,306.56

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Solution

The fourth proportional to 140,052.90, 210,106.66 and 45,306.56 is: 67,968.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,052.90 : 210,106.66 = 45,306.56 : x
  2. Step 2: Convert to fraction form
    140,052.90/210,106.66 = 45,306.56/x
  3. Step 3: Cross multiply
    140,052.90x = 210,106.66 × 45,306.56
  4. Step 4: Simplify right side
    140,052.90x = 9,519,209,997.69
  5. Step 5: Solve for x
    x = 9,519,209,997.69/140,052.90
  6. Step 6: Final answer
    x = 67,968.67

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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.