Home / 189,334.48-261,281.55-104,451.53

Finding the Fourth Proportional to 189,334.48, 261,281.55 and 104,451.53

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Solution

The fourth proportional to 189,334.48, 261,281.55 and 104,451.53 is: 144,143.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,334.48 : 261,281.55 = 104,451.53 : x
  2. Step 2: Convert to fraction form
    189,334.48/261,281.55 = 104,451.53/x
  3. Step 3: Cross multiply
    189,334.48x = 261,281.55 × 104,451.53
  4. Step 4: Simplify right side
    189,334.48x = 27,291,257,658.27
  5. Step 5: Solve for x
    x = 27,291,257,658.27/189,334.48
  6. Step 6: Final answer
    x = 144,143.09

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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.