Home / 181,927.20-272,890.80-103,195.20

Finding the Fourth Proportional to 181,927.20, 272,890.80 and 103,195.20

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Solution

The fourth proportional to 181,927.20, 272,890.80 and 103,195.20 is: 154,792.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,927.20 : 272,890.80 = 103,195.20 : x
  2. Step 2: Convert to fraction form
    181,927.20/272,890.80 = 103,195.20/x
  3. Step 3: Cross multiply
    181,927.20x = 272,890.80 × 103,195.20
  4. Step 4: Simplify right side
    181,927.20x = 28,161,020,684.16
  5. Step 5: Solve for x
    x = 28,161,020,684.16/181,927.20
  6. Step 6: Final answer
    x = 154,792.80

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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.