Home / 187,588.22-258,861.49-102,688.86

Finding the Fourth Proportional to 187,588.22, 258,861.49 and 102,688.86

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Solution

The fourth proportional to 187,588.22, 258,861.49 and 102,688.86 is: 141,705.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,588.22 : 258,861.49 = 102,688.86 : x
  2. Step 2: Convert to fraction form
    187,588.22/258,861.49 = 102,688.86/x
  3. Step 3: Cross multiply
    187,588.22x = 258,861.49 × 102,688.86
  4. Step 4: Simplify right side
    187,588.22x = 26,582,191,306.00
  5. Step 5: Solve for x
    x = 26,582,191,306.00/187,588.22
  6. Step 6: Final answer
    x = 141,705.01

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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.