Home / 187,028.30-258,094.94-102,145.70

Finding the Fourth Proportional to 187,028.30, 258,094.94 and 102,145.70

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Solution

The fourth proportional to 187,028.30, 258,094.94 and 102,145.70 is: 140,958.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,028.30 : 258,094.94 = 102,145.70 : x
  2. Step 2: Convert to fraction form
    187,028.30/258,094.94 = 102,145.70/x
  3. Step 3: Cross multiply
    187,028.30x = 258,094.94 × 102,145.70
  4. Step 4: Simplify right side
    187,028.30x = 26,363,288,312.76
  5. Step 5: Solve for x
    x = 26,363,288,312.76/187,028.30
  6. Step 6: Final answer
    x = 140,958.82

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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.