Home / 187,130.70-258,240.69-102,245.94

Finding the Fourth Proportional to 187,130.70, 258,240.69 and 102,245.94

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Solution

The fourth proportional to 187,130.70, 258,240.69 and 102,245.94 is: 141,099.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,130.70 : 258,240.69 = 102,245.94 : x
  2. Step 2: Convert to fraction form
    187,130.70/258,240.69 = 102,245.94/x
  3. Step 3: Cross multiply
    187,130.70x = 258,240.69 × 102,245.94
  4. Step 4: Simplify right side
    187,130.70x = 26,404,062,095.30
  5. Step 5: Solve for x
    x = 26,404,062,095.30/187,130.70
  6. Step 6: Final answer
    x = 141,099.57

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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.