Home / 187,610.72-258,900.21-102,727.80

Finding the Fourth Proportional to 187,610.72, 258,900.21 and 102,727.80

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Solution

The fourth proportional to 187,610.72, 258,900.21 and 102,727.80 is: 141,762.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,610.72 : 258,900.21 = 102,727.80 : x
  2. Step 2: Convert to fraction form
    187,610.72/258,900.21 = 102,727.80/x
  3. Step 3: Cross multiply
    187,610.72x = 258,900.21 × 102,727.80
  4. Step 4: Simplify right side
    187,610.72x = 26,596,248,992.84
  5. Step 5: Solve for x
    x = 26,596,248,992.84/187,610.72
  6. Step 6: Final answer
    x = 141,762.95

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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.