Home / 187,029.39-258,088.64-102,146.46

Finding the Fourth Proportional to 187,029.39, 258,088.64 and 102,146.46

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Solution

The fourth proportional to 187,029.39, 258,088.64 and 102,146.46 is: 140,955.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,029.39 : 258,088.64 = 102,146.46 : x
  2. Step 2: Convert to fraction form
    187,029.39/258,088.64 = 102,146.46/x
  3. Step 3: Cross multiply
    187,029.39x = 258,088.64 × 102,146.46
  4. Step 4: Simplify right side
    187,029.39x = 26,362,840,942.21
  5. Step 5: Solve for x
    x = 26,362,840,942.21/187,029.39
  6. Step 6: Final answer
    x = 140,955.61

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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.