Home / 187,454.63-258,687.38-102,571.69

Finding the Fourth Proportional to 187,454.63, 258,687.38 and 102,571.69

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Solution

The fourth proportional to 187,454.63, 258,687.38 and 102,571.69 is: 141,548.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,454.63 : 258,687.38 = 102,571.69 : x
  2. Step 2: Convert to fraction form
    187,454.63/258,687.38 = 102,571.69/x
  3. Step 3: Cross multiply
    187,454.63x = 258,687.38 × 102,571.69
  4. Step 4: Simplify right side
    187,454.63x = 26,534,001,357.98
  5. Step 5: Solve for x
    x = 26,534,001,357.98/187,454.63
  6. Step 6: Final answer
    x = 141,548.93

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1.5x scale

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.