Home / 99,336.90-137,085.60-54,015.37

Finding the Fourth Proportional to 99,336.90, 137,085.60 and 54,015.37

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Solution

The fourth proportional to 99,336.90, 137,085.60 and 54,015.37 is: 74,541.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,336.90 : 137,085.60 = 54,015.37 : x
  2. Step 2: Convert to fraction form
    99,336.90/137,085.60 = 54,015.37/x
  3. Step 3: Cross multiply
    99,336.90x = 137,085.60 × 54,015.37
  4. Step 4: Simplify right side
    99,336.90x = 7,404,729,405.67
  5. Step 5: Solve for x
    x = 7,404,729,405.67/99,336.90
  6. Step 6: Final answer
    x = 74,541.58

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Why These Related Problems?

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