Home / 187,613.36-258,903.86-102,730.41

Finding the Fourth Proportional to 187,613.36, 258,903.86 and 102,730.41

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Solution

The fourth proportional to 187,613.36, 258,903.86 and 102,730.41 is: 141,766.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,613.36 : 258,903.86 = 102,730.41 : x
  2. Step 2: Convert to fraction form
    187,613.36/258,903.86 = 102,730.41/x
  3. Step 3: Cross multiply
    187,613.36x = 258,903.86 × 102,730.41
  4. Step 4: Simplify right side
    187,613.36x = 26,597,299,174.73
  5. Step 5: Solve for x
    x = 26,597,299,174.73/187,613.36
  6. Step 6: Final answer
    x = 141,766.56

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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.