Home / 137,315.73-189,487.33-76,058.28

Finding the Fourth Proportional to 137,315.73, 189,487.33 and 76,058.28

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Solution

The fourth proportional to 137,315.73, 189,487.33 and 76,058.28 is: 104,955.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,315.73 : 189,487.33 = 76,058.28 : x
  2. Step 2: Convert to fraction form
    137,315.73/189,487.33 = 76,058.28/x
  3. Step 3: Cross multiply
    137,315.73x = 189,487.33 × 76,058.28
  4. Step 4: Simplify right side
    137,315.73x = 14,412,080,401.59
  5. Step 5: Solve for x
    x = 14,412,080,401.59/137,315.73
  6. Step 6: Final answer
    x = 104,955.79

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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.