Home / 121,155.40-181,761.90-50,998.60

Finding the Fourth Proportional to 121,155.40, 181,761.90 and 50,998.60

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Solution

The fourth proportional to 121,155.40, 181,761.90 and 50,998.60 is: 76,510.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,155.40 : 181,761.90 = 50,998.60 : x
  2. Step 2: Convert to fraction form
    121,155.40/181,761.90 = 50,998.60/x
  3. Step 3: Cross multiply
    121,155.40x = 181,761.90 × 50,998.60
  4. Step 4: Simplify right side
    121,155.40x = 9,269,602,433.34
  5. Step 5: Solve for x
    x = 9,269,602,433.34/121,155.40
  6. Step 6: Final answer
    x = 76,510.02

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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.