Home / 187,640.30-258,907.23-107,065.82

Finding the Fourth Proportional to 187,640.30, 258,907.23 and 107,065.82

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Solution

The fourth proportional to 187,640.30, 258,907.23 and 107,065.82 is: 147,730.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,640.30 : 258,907.23 = 107,065.82 : x
  2. Step 2: Convert to fraction form
    187,640.30/258,907.23 = 107,065.82/x
  3. Step 3: Cross multiply
    187,640.30x = 258,907.23 × 107,065.82
  4. Step 4: Simplify right side
    187,640.30x = 27,720,113,589.34
  5. Step 5: Solve for x
    x = 27,720,113,589.34/187,640.30
  6. Step 6: Final answer
    x = 147,730.07

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1.5x scale

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.