Home / 187,409.43-258,631.10-102,526.49

Finding the Fourth Proportional to 187,409.43, 258,631.10 and 102,526.49

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Solution

The fourth proportional to 187,409.43, 258,631.10 and 102,526.49 is: 141,489.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,409.43 : 258,631.10 = 102,526.49 : x
  2. Step 2: Convert to fraction form
    187,409.43/258,631.10 = 102,526.49/x
  3. Step 3: Cross multiply
    187,409.43x = 258,631.10 × 102,526.49
  4. Step 4: Simplify right side
    187,409.43x = 26,516,538,887.84
  5. Step 5: Solve for x
    x = 26,516,538,887.84/187,409.43
  6. Step 6: Final answer
    x = 141,489.89

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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.