Home / 187,863.99-259,270.25-107,303.55

Finding the Fourth Proportional to 187,863.99, 259,270.25 and 107,303.55

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Solution

The fourth proportional to 187,863.99, 259,270.25 and 107,303.55 is: 148,089.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,863.99 : 259,270.25 = 107,303.55 : x
  2. Step 2: Convert to fraction form
    187,863.99/259,270.25 = 107,303.55/x
  3. Step 3: Cross multiply
    187,863.99x = 259,270.25 × 107,303.55
  4. Step 4: Simplify right side
    187,863.99x = 27,820,617,697.87
  5. Step 5: Solve for x
    x = 27,820,617,697.87/187,863.99
  6. Step 6: Final answer
    x = 148,089.15

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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.