Home / 187,409.30-258,631.07-102,526.37

Finding the Fourth Proportional to 187,409.30, 258,631.07 and 102,526.37

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Solution

The fourth proportional to 187,409.30, 258,631.07 and 102,526.37 is: 141,489.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,409.30 : 258,631.07 = 102,526.37 : x
  2. Step 2: Convert to fraction form
    187,409.30/258,631.07 = 102,526.37/x
  3. Step 3: Cross multiply
    187,409.30x = 258,631.07 × 102,526.37
  4. Step 4: Simplify right side
    187,409.30x = 26,516,502,970.53
  5. Step 5: Solve for x
    x = 26,516,502,970.53/187,409.30
  6. Step 6: Final answer
    x = 141,489.79

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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.