Home / 140,606.24-210,931.20-45,814.37

Finding the Fourth Proportional to 140,606.24, 210,931.20 and 45,814.37

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Solution

The fourth proportional to 140,606.24, 210,931.20 and 45,814.37 is: 68,728.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,606.24 : 210,931.20 = 45,814.37 : x
  2. Step 2: Convert to fraction form
    140,606.24/210,931.20 = 45,814.37/x
  3. Step 3: Cross multiply
    140,606.24x = 210,931.20 × 45,814.37
  4. Step 4: Simplify right side
    140,606.24x = 9,663,678,986.69
  5. Step 5: Solve for x
    x = 9,663,678,986.69/140,606.24
  6. Step 6: Final answer
    x = 68,728.67

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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.