Home / 187,618.16-258,910.48-102,735.20

Finding the Fourth Proportional to 187,618.16, 258,910.48 and 102,735.20

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Solution

The fourth proportional to 187,618.16, 258,910.48 and 102,735.20 is: 141,773.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,618.16 : 258,910.48 = 102,735.20 : x
  2. Step 2: Convert to fraction form
    187,618.16/258,910.48 = 102,735.20/x
  3. Step 3: Cross multiply
    187,618.16x = 258,910.48 × 102,735.20
  4. Step 4: Simplify right side
    187,618.16x = 26,599,219,944.90
  5. Step 5: Solve for x
    x = 26,599,219,944.90/187,618.16
  6. Step 6: Final answer
    x = 141,773.16

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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.