Home / 137,296.91-189,460.58-76,857.34

Finding the Fourth Proportional to 137,296.91, 189,460.58 and 76,857.34

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Solution

The fourth proportional to 137,296.91, 189,460.58 and 76,857.34 is: 106,058.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,296.91 : 189,460.58 = 76,857.34 : x
  2. Step 2: Convert to fraction form
    137,296.91/189,460.58 = 76,857.34/x
  3. Step 3: Cross multiply
    137,296.91x = 189,460.58 × 76,857.34
  4. Step 4: Simplify right side
    137,296.91x = 14,561,436,213.66
  5. Step 5: Solve for x
    x = 14,561,436,213.66/137,296.91
  6. Step 6: Final answer
    x = 106,058.00

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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.