Home / 181,928.90-272,922.55-76,763.36

Finding the Fourth Proportional to 181,928.90, 272,922.55 and 76,763.36

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Solution

The fourth proportional to 181,928.90, 272,922.55 and 76,763.36 is: 115,157.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,928.90 : 272,922.55 = 76,763.36 : x
  2. Step 2: Convert to fraction form
    181,928.90/272,922.55 = 76,763.36/x
  3. Step 3: Cross multiply
    181,928.90x = 272,922.55 × 76,763.36
  4. Step 4: Simplify right side
    181,928.90x = 20,950,452,448.17
  5. Step 5: Solve for x
    x = 20,950,452,448.17/181,928.90
  6. Step 6: Final answer
    x = 115,157.36

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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.