Home / 124,862.37-187,699.56-100,172.55

Finding the Fourth Proportional to 124,862.37, 187,699.56 and 100,172.55

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Solution

The fourth proportional to 124,862.37, 187,699.56 and 100,172.55 is: 150,584.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,862.37 : 187,699.56 = 100,172.55 : x
  2. Step 2: Convert to fraction form
    124,862.37/187,699.56 = 100,172.55/x
  3. Step 3: Cross multiply
    124,862.37x = 187,699.56 × 100,172.55
  4. Step 4: Simplify right side
    124,862.37x = 18,802,343,559.08
  5. Step 5: Solve for x
    x = 18,802,343,559.08/124,862.37
  6. Step 6: Final answer
    x = 150,584.55

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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.