Home / 187,973.02-259,378.78-107,405.77

Finding the Fourth Proportional to 187,973.02, 259,378.78 and 107,405.77

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Solution

The fourth proportional to 187,973.02, 259,378.78 and 107,405.77 is: 148,206.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,973.02 : 259,378.78 = 107,405.77 : x
  2. Step 2: Convert to fraction form
    187,973.02/259,378.78 = 107,405.77/x
  3. Step 3: Cross multiply
    187,973.02x = 259,378.78 × 107,405.77
  4. Step 4: Simplify right side
    187,973.02x = 27,858,777,587.56
  5. Step 5: Solve for x
    x = 27,858,777,587.56/187,973.02
  6. Step 6: Final answer
    x = 148,206.26

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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.