Home / 140,900.50-211,378.38-52,154.76

Finding the Fourth Proportional to 140,900.50, 211,378.38 and 52,154.76

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Solution

The fourth proportional to 140,900.50, 211,378.38 and 52,154.76 is: 78,242.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,900.50 : 211,378.38 = 52,154.76 : x
  2. Step 2: Convert to fraction form
    140,900.50/211,378.38 = 52,154.76/x
  3. Step 3: Cross multiply
    140,900.50x = 211,378.38 × 52,154.76
  4. Step 4: Simplify right side
    140,900.50x = 11,024,388,678.09
  5. Step 5: Solve for x
    x = 11,024,388,678.09/140,900.50
  6. Step 6: Final answer
    x = 78,242.37

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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.