Home / 187,087.16-258,170.58-102,187.82

Finding the Fourth Proportional to 187,087.16, 258,170.58 and 102,187.82

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Solution

The fourth proportional to 187,087.16, 258,170.58 and 102,187.82 is: 141,013.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,087.16 : 258,170.58 = 102,187.82 : x
  2. Step 2: Convert to fraction form
    187,087.16/258,170.58 = 102,187.82/x
  3. Step 3: Cross multiply
    187,087.16x = 258,170.58 × 102,187.82
  4. Step 4: Simplify right side
    187,087.16x = 26,381,888,758.34
  5. Step 5: Solve for x
    x = 26,381,888,758.34/187,087.16
  6. Step 6: Final answer
    x = 141,013.89

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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.