Home / 187,465.70-258,699.21-102,581.06

Finding the Fourth Proportional to 187,465.70, 258,699.21 and 102,581.06

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Solution

The fourth proportional to 187,465.70, 258,699.21 and 102,581.06 is: 141,559.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,465.70 : 258,699.21 = 102,581.06 : x
  2. Step 2: Convert to fraction form
    187,465.70/258,699.21 = 102,581.06/x
  3. Step 3: Cross multiply
    187,465.70x = 258,699.21 × 102,581.06
  4. Step 4: Simplify right side
    187,465.70x = 26,537,639,182.96
  5. Step 5: Solve for x
    x = 26,537,639,182.96/187,465.70
  6. Step 6: Final answer
    x = 141,559.97

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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.