Home / 136,359.45-188,153.99-75,929.91

Finding the Fourth Proportional to 136,359.45, 188,153.99 and 75,929.91

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Solution

The fourth proportional to 136,359.45, 188,153.99 and 75,929.91 is: 104,770.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,359.45 : 188,153.99 = 75,929.91 : x
  2. Step 2: Convert to fraction form
    136,359.45/188,153.99 = 75,929.91/x
  3. Step 3: Cross multiply
    136,359.45x = 188,153.99 × 75,929.91
  4. Step 4: Simplify right side
    136,359.45x = 14,286,514,726.35
  5. Step 5: Solve for x
    x = 14,286,514,726.35/136,359.45
  6. Step 6: Final answer
    x = 104,770.99

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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.