Home / 99,426.58-137,211.21-54,107.02

Finding the Fourth Proportional to 99,426.58, 137,211.21 and 54,107.02

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Solution

The fourth proportional to 99,426.58, 137,211.21 and 54,107.02 is: 74,669.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,426.58 : 137,211.21 = 54,107.02 : x
  2. Step 2: Convert to fraction form
    99,426.58/137,211.21 = 54,107.02/x
  3. Step 3: Cross multiply
    99,426.58x = 137,211.21 × 54,107.02
  4. Step 4: Simplify right side
    99,426.58x = 7,424,089,683.69
  5. Step 5: Solve for x
    x = 7,424,089,683.69/99,426.58
  6. Step 6: Final answer
    x = 74,669.06

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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.