Home / 187,984.64-259,419.16-107,411.92

Finding the Fourth Proportional to 187,984.64, 259,419.16 and 107,411.92

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Solution

The fourth proportional to 187,984.64, 259,419.16 and 107,411.92 is: 148,228.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,984.64 : 259,419.16 = 107,411.92 : x
  2. Step 2: Convert to fraction form
    187,984.64/259,419.16 = 107,411.92/x
  3. Step 3: Cross multiply
    187,984.64x = 259,419.16 × 107,411.92
  4. Step 4: Simplify right side
    187,984.64x = 27,864,710,060.39
  5. Step 5: Solve for x
    x = 27,864,710,060.39/187,984.64
  6. Step 6: Final answer
    x = 148,228.65

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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.