Home / 187,392.28-258,601.26-102,509.32

Finding the Fourth Proportional to 187,392.28, 258,601.26 and 102,509.32

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Solution

The fourth proportional to 187,392.28, 258,601.26 and 102,509.32 is: 141,462.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,392.28 : 258,601.26 = 102,509.32 : x
  2. Step 2: Convert to fraction form
    187,392.28/258,601.26 = 102,509.32/x
  3. Step 3: Cross multiply
    187,392.28x = 258,601.26 × 102,509.32
  4. Step 4: Simplify right side
    187,392.28x = 26,509,039,313.74
  5. Step 5: Solve for x
    x = 26,509,039,313.74/187,392.28
  6. Step 6: Final answer
    x = 141,462.81

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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.