Home / 187,379.28-258,588.72-102,501.72

Finding the Fourth Proportional to 187,379.28, 258,588.72 and 102,501.72

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Solution

The fourth proportional to 187,379.28, 258,588.72 and 102,501.72 is: 141,455.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,379.28 : 258,588.72 = 102,501.72 : x
  2. Step 2: Convert to fraction form
    187,379.28/258,588.72 = 102,501.72/x
  3. Step 3: Cross multiply
    187,379.28x = 258,588.72 × 102,501.72
  4. Step 4: Simplify right side
    187,379.28x = 26,505,788,572.60
  5. Step 5: Solve for x
    x = 26,505,788,572.60/187,379.28
  6. Step 6: Final answer
    x = 141,455.28

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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.