Home / 187,240.50-258,362.98-106,657.78

Finding the Fourth Proportional to 187,240.50, 258,362.98 and 106,657.78

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Solution

The fourth proportional to 187,240.50, 258,362.98 and 106,657.78 is: 147,171.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,240.50 : 258,362.98 = 106,657.78 : x
  2. Step 2: Convert to fraction form
    187,240.50/258,362.98 = 106,657.78/x
  3. Step 3: Cross multiply
    187,240.50x = 258,362.98 × 106,657.78
  4. Step 4: Simplify right side
    187,240.50x = 27,556,421,347.70
  5. Step 5: Solve for x
    x = 27,556,421,347.70/187,240.50
  6. Step 6: Final answer
    x = 147,171.27

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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.