Home / 187,970.63-259,399.46-103,087.69

Finding the Fourth Proportional to 187,970.63, 259,399.46 and 103,087.69

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Solution

The fourth proportional to 187,970.63, 259,399.46 and 103,087.69 is: 142,261.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,970.63 : 259,399.46 = 103,087.69 : x
  2. Step 2: Convert to fraction form
    187,970.63/259,399.46 = 103,087.69/x
  3. Step 3: Cross multiply
    187,970.63x = 259,399.46 × 103,087.69
  4. Step 4: Simplify right side
    187,970.63x = 26,740,890,727.87
  5. Step 5: Solve for x
    x = 26,740,890,727.87/187,970.63
  6. Step 6: Final answer
    x = 142,261.01

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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.