Home / 187,845.60-259,225.56-102,961.20

Finding the Fourth Proportional to 187,845.60, 259,225.56 and 102,961.20

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Solution

The fourth proportional to 187,845.60, 259,225.56 and 102,961.20 is: 142,085.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,845.60 : 259,225.56 = 102,961.20 : x
  2. Step 2: Convert to fraction form
    187,845.60/259,225.56 = 102,961.20/x
  3. Step 3: Cross multiply
    187,845.60x = 259,225.56 × 102,961.20
  4. Step 4: Simplify right side
    187,845.60x = 26,690,174,728.27
  5. Step 5: Solve for x
    x = 26,690,174,728.27/187,845.60
  6. Step 6: Final answer
    x = 142,085.71

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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.