Home / 89,938.98-124,126.29-74,804.94

Finding the Fourth Proportional to 89,938.98, 124,126.29 and 74,804.94

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Solution

The fourth proportional to 89,938.98, 124,126.29 and 74,804.94 is: 103,239.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,938.98 : 124,126.29 = 74,804.94 : x
  2. Step 2: Convert to fraction form
    89,938.98/124,126.29 = 74,804.94/x
  3. Step 3: Cross multiply
    89,938.98x = 124,126.29 × 74,804.94
  4. Step 4: Simplify right side
    89,938.98x = 9,285,259,675.87
  5. Step 5: Solve for x
    x = 9,285,259,675.87/89,938.98
  6. Step 6: Final answer
    x = 103,239.55

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.