Home / 102,975.94-142,099.92-57,646.27

Finding the Fourth Proportional to 102,975.94, 142,099.92 and 57,646.27

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Solution

The fourth proportional to 102,975.94, 142,099.92 and 57,646.27 is: 79,548.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,975.94 : 142,099.92 = 57,646.27 : x
  2. Step 2: Convert to fraction form
    102,975.94/142,099.92 = 57,646.27/x
  3. Step 3: Cross multiply
    102,975.94x = 142,099.92 × 57,646.27
  4. Step 4: Simplify right side
    102,975.94x = 8,191,530,355.30
  5. Step 5: Solve for x
    x = 8,191,530,355.30/102,975.94
  6. Step 6: Final answer
    x = 79,548.00

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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.