Home / 124,917.07-187,373.94-30,146.47

Finding the Fourth Proportional to 124,917.07, 187,373.94 and 30,146.47

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Solution

The fourth proportional to 124,917.07, 187,373.94 and 30,146.47 is: 45,219.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,917.07 : 187,373.94 = 30,146.47 : x
  2. Step 2: Convert to fraction form
    124,917.07/187,373.94 = 30,146.47/x
  3. Step 3: Cross multiply
    124,917.07x = 187,373.94 × 30,146.47
  4. Step 4: Simplify right side
    124,917.07x = 5,648,662,860.99
  5. Step 5: Solve for x
    x = 5,648,662,860.99/124,917.07
  6. Step 6: Final answer
    x = 45,219.30

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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.