Home / 187,704.72-259,036.70-107,130.62

Finding the Fourth Proportional to 187,704.72, 259,036.70 and 107,130.62

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Solution

The fourth proportional to 187,704.72, 259,036.70 and 107,130.62 is: 147,842.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,704.72 : 259,036.70 = 107,130.62 : x
  2. Step 2: Convert to fraction form
    187,704.72/259,036.70 = 107,130.62/x
  3. Step 3: Cross multiply
    187,704.72x = 259,036.70 × 107,130.62
  4. Step 4: Simplify right side
    187,704.72x = 27,750,760,442.92
  5. Step 5: Solve for x
    x = 27,750,760,442.92/187,704.72
  6. Step 6: Final answer
    x = 147,842.64

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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.