Home / 500,190.70-750,287.93-121,110.82

Finding the Fourth Proportional to 500,190.70, 750,287.93 and 121,110.82

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Solution

The fourth proportional to 500,190.70, 750,287.93 and 121,110.82 is: 181,666.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,190.70 : 750,287.93 = 121,110.82 : x
  2. Step 2: Convert to fraction form
    500,190.70/750,287.93 = 121,110.82/x
  3. Step 3: Cross multiply
    500,190.70x = 750,287.93 × 121,110.82
  4. Step 4: Simplify right side
    500,190.70x = 90,867,986,438.40
  5. Step 5: Solve for x
    x = 90,867,986,438.40/500,190.70
  6. Step 6: Final answer
    x = 181,666.69

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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.