Home / 136,437.22-188,289.02-76,007.83

Finding the Fourth Proportional to 136,437.22, 188,289.02 and 76,007.83

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Solution

The fourth proportional to 136,437.22, 188,289.02 and 76,007.83 is: 104,893.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,437.22 : 188,289.02 = 76,007.83 : x
  2. Step 2: Convert to fraction form
    136,437.22/188,289.02 = 76,007.83/x
  3. Step 3: Cross multiply
    136,437.22x = 188,289.02 × 76,007.83
  4. Step 4: Simplify right side
    136,437.22x = 14,311,439,442.99
  5. Step 5: Solve for x
    x = 14,311,439,442.99/136,437.22
  6. Step 6: Final answer
    x = 104,893.95

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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.