Home / 259,289.17-388,929.89-158,116.95

Finding the Fourth Proportional to 259,289.17, 388,929.89 and 158,116.95

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Solution

The fourth proportional to 259,289.17, 388,929.89 and 158,116.95 is: 237,173.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,289.17 : 388,929.89 = 158,116.95 : x
  2. Step 2: Convert to fraction form
    259,289.17/388,929.89 = 158,116.95/x
  3. Step 3: Cross multiply
    259,289.17x = 388,929.89 × 158,116.95
  4. Step 4: Simplify right side
    259,289.17x = 61,496,408,365.93
  5. Step 5: Solve for x
    x = 61,496,408,365.93/259,289.17
  6. Step 6: Final answer
    x = 237,173.07

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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.