Home / 124,425.05-186,638.27-30,930.80

Finding the Fourth Proportional to 124,425.05, 186,638.27 and 30,930.80

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Solution

The fourth proportional to 124,425.05, 186,638.27 and 30,930.80 is: 46,396.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,425.05 : 186,638.27 = 30,930.80 : x
  2. Step 2: Convert to fraction form
    124,425.05/186,638.27 = 30,930.80/x
  3. Step 3: Cross multiply
    124,425.05x = 186,638.27 × 30,930.80
  4. Step 4: Simplify right side
    124,425.05x = 5,772,869,913.87
  5. Step 5: Solve for x
    x = 5,772,869,913.87/124,425.05
  6. Step 6: Final answer
    x = 46,396.37

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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.