Home / 187,721.20-259,073.86-107,160.84

Finding the Fourth Proportional to 187,721.20, 259,073.86 and 107,160.84

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Solution

The fourth proportional to 187,721.20, 259,073.86 and 107,160.84 is: 147,892.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,721.20 : 259,073.86 = 107,160.84 : x
  2. Step 2: Convert to fraction form
    187,721.20/259,073.86 = 107,160.84/x
  3. Step 3: Cross multiply
    187,721.20x = 259,073.86 × 107,160.84
  4. Step 4: Simplify right side
    187,721.20x = 27,762,572,459.64
  5. Step 5: Solve for x
    x = 27,762,572,459.64/187,721.20
  6. Step 6: Final answer
    x = 147,892.58

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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.