Home / 187,997.45-259,289.84-116,417.21

Finding the Fourth Proportional to 187,997.45, 259,289.84 and 116,417.21

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Solution

The fourth proportional to 187,997.45, 259,289.84 and 116,417.21 is: 160,564.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,997.45 : 259,289.84 = 116,417.21 : x
  2. Step 2: Convert to fraction form
    187,997.45/259,289.84 = 116,417.21/x
  3. Step 3: Cross multiply
    187,997.45x = 259,289.84 × 116,417.21
  4. Step 4: Simplify right side
    187,997.45x = 30,185,798,748.74
  5. Step 5: Solve for x
    x = 30,185,798,748.74/187,997.45
  6. Step 6: Final answer
    x = 160,564.94

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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.