Home / 187,690.14-259,012.44-102,810.24

Finding the Fourth Proportional to 187,690.14, 259,012.44 and 102,810.24

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Solution

The fourth proportional to 187,690.14, 259,012.44 and 102,810.24 is: 141,878.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,690.14 : 259,012.44 = 102,810.24 : x
  2. Step 2: Convert to fraction form
    187,690.14/259,012.44 = 102,810.24/x
  3. Step 3: Cross multiply
    187,690.14x = 259,012.44 × 102,810.24
  4. Step 4: Simplify right side
    187,690.14x = 26,629,131,119.39
  5. Step 5: Solve for x
    x = 26,629,131,119.39/187,690.14
  6. Step 6: Final answer
    x = 141,878.16

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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.