Home / 189,325.89-261,270.60-104,442.93

Finding the Fourth Proportional to 189,325.89, 261,270.60 and 104,442.93

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Solution

The fourth proportional to 189,325.89, 261,270.60 and 104,442.93 is: 144,131.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,325.89 : 261,270.60 = 104,442.93 : x
  2. Step 2: Convert to fraction form
    189,325.89/261,270.60 = 104,442.93/x
  3. Step 3: Cross multiply
    189,325.89x = 261,270.60 × 104,442.93
  4. Step 4: Simplify right side
    189,325.89x = 27,287,866,986.86
  5. Step 5: Solve for x
    x = 27,287,866,986.86/189,325.89
  6. Step 6: Final answer
    x = 144,131.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.