Home / 136,468.17-188,324.46-76,038.66

Finding the Fourth Proportional to 136,468.17, 188,324.46 and 76,038.66

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Solution

The fourth proportional to 136,468.17, 188,324.46 and 76,038.66 is: 104,932.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,468.17 : 188,324.46 = 76,038.66 : x
  2. Step 2: Convert to fraction form
    136,468.17/188,324.46 = 76,038.66/x
  3. Step 3: Cross multiply
    136,468.17x = 188,324.46 × 76,038.66
  4. Step 4: Simplify right side
    136,468.17x = 14,319,939,583.62
  5. Step 5: Solve for x
    x = 14,319,939,583.62/136,468.17
  6. Step 6: Final answer
    x = 104,932.45

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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.