Home / 139,953.26-209,908.25-51,186.01

Finding the Fourth Proportional to 139,953.26, 209,908.25 and 51,186.01

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Solution

The fourth proportional to 139,953.26, 209,908.25 and 51,186.01 is: 76,771.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,953.26 : 209,908.25 = 51,186.01 : x
  2. Step 2: Convert to fraction form
    139,953.26/209,908.25 = 51,186.01/x
  3. Step 3: Cross multiply
    139,953.26x = 209,908.25 × 51,186.01
  4. Step 4: Simplify right side
    139,953.26x = 10,744,364,478.11
  5. Step 5: Solve for x
    x = 10,744,364,478.11/139,953.26
  6. Step 6: Final answer
    x = 76,771.09

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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.