Home / 121,107.76-181,683.36-50,030.40

Finding the Fourth Proportional to 121,107.76, 181,683.36 and 50,030.40

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Solution

The fourth proportional to 121,107.76, 181,683.36 and 50,030.40 is: 75,054.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,107.76 : 181,683.36 = 50,030.40 : x
  2. Step 2: Convert to fraction form
    121,107.76/181,683.36 = 50,030.40/x
  3. Step 3: Cross multiply
    121,107.76x = 181,683.36 × 50,030.40
  4. Step 4: Simplify right side
    121,107.76x = 9,089,691,174.14
  5. Step 5: Solve for x
    x = 9,089,691,174.14/121,107.76
  6. Step 6: Final answer
    x = 75,054.57

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1.5x scale

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.