Home / 136,784.48-205,176.51-76,033.37

Finding the Fourth Proportional to 136,784.48, 205,176.51 and 76,033.37

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Solution

The fourth proportional to 136,784.48, 205,176.51 and 76,033.37 is: 114,049.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,784.48 : 205,176.51 = 76,033.37 : x
  2. Step 2: Convert to fraction form
    136,784.48/205,176.51 = 76,033.37/x
  3. Step 3: Cross multiply
    136,784.48x = 205,176.51 × 76,033.37
  4. Step 4: Simplify right side
    136,784.48x = 15,600,260,474.26
  5. Step 5: Solve for x
    x = 15,600,260,474.26/136,784.48
  6. Step 6: Final answer
    x = 114,049.93

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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.