Home / 187,682.86-259,056.66-107,154.28

Finding the Fourth Proportional to 187,682.86, 259,056.66 and 107,154.28

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Solution

The fourth proportional to 187,682.86, 259,056.66 and 107,154.28 is: 147,903.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,682.86 : 259,056.66 = 107,154.28 : x
  2. Step 2: Convert to fraction form
    187,682.86/259,056.66 = 107,154.28/x
  3. Step 3: Cross multiply
    187,682.86x = 259,056.66 × 107,154.28
  4. Step 4: Simplify right side
    187,682.86x = 27,759,029,881.50
  5. Step 5: Solve for x
    x = 27,759,029,881.50/187,682.86
  6. Step 6: Final answer
    x = 147,903.92

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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.