Home / 187,201.73-258,334.58-102,319.40

Finding the Fourth Proportional to 187,201.73, 258,334.58 and 102,319.40

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Solution

The fourth proportional to 187,201.73, 258,334.58 and 102,319.40 is: 141,198.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,201.73 : 258,334.58 = 102,319.40 : x
  2. Step 2: Convert to fraction form
    187,201.73/258,334.58 = 102,319.40/x
  3. Step 3: Cross multiply
    187,201.73x = 258,334.58 × 102,319.40
  4. Step 4: Simplify right side
    187,201.73x = 26,432,637,421.58
  5. Step 5: Solve for x
    x = 26,432,637,421.58/187,201.73
  6. Step 6: Final answer
    x = 141,198.69

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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.