Home / 187,853.04-259,245.36-102,968.28

Finding the Fourth Proportional to 187,853.04, 259,245.36 and 102,968.28

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Solution

The fourth proportional to 187,853.04, 259,245.36 and 102,968.28 is: 142,100.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,853.04 : 259,245.36 = 102,968.28 : x
  2. Step 2: Convert to fraction form
    187,853.04/259,245.36 = 102,968.28/x
  3. Step 3: Cross multiply
    187,853.04x = 259,245.36 × 102,968.28
  4. Step 4: Simplify right side
    187,853.04x = 26,694,048,817.18
  5. Step 5: Solve for x
    x = 26,694,048,817.18/187,853.04
  6. Step 6: Final answer
    x = 142,100.70

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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.