Home / 120,975.40-181,491.90-50,818.60

Finding the Fourth Proportional to 120,975.40, 181,491.90 and 50,818.60

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Solution

The fourth proportional to 120,975.40, 181,491.90 and 50,818.60 is: 76,240.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,975.40 : 181,491.90 = 50,818.60 : x
  2. Step 2: Convert to fraction form
    120,975.40/181,491.90 = 50,818.60/x
  3. Step 3: Cross multiply
    120,975.40x = 181,491.90 × 50,818.60
  4. Step 4: Simplify right side
    120,975.40x = 9,223,164,269.34
  5. Step 5: Solve for x
    x = 9,223,164,269.34/120,975.40
  6. Step 6: Final answer
    x = 76,240.00

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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.