Home / 187,170.46-258,298.71-102,293.02

Finding the Fourth Proportional to 187,170.46, 258,298.71 and 102,293.02

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Solution

The fourth proportional to 187,170.46, 258,298.71 and 102,293.02 is: 141,166.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,170.46 : 258,298.71 = 102,293.02 : x
  2. Step 2: Convert to fraction form
    187,170.46/258,298.71 = 102,293.02/x
  3. Step 3: Cross multiply
    187,170.46x = 258,298.71 × 102,293.02
  4. Step 4: Simplify right side
    187,170.46x = 26,422,155,108.00
  5. Step 5: Solve for x
    x = 26,422,155,108.00/187,170.46
  6. Step 6: Final answer
    x = 141,166.27

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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.