Home / 137,579.46-189,899.97-89,840.22

Finding the Fourth Proportional to 137,579.46, 189,899.97 and 89,840.22

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Solution

The fourth proportional to 137,579.46, 189,899.97 and 89,840.22 is: 124,005.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,579.46 : 189,899.97 = 89,840.22 : x
  2. Step 2: Convert to fraction form
    137,579.46/189,899.97 = 89,840.22/x
  3. Step 3: Cross multiply
    137,579.46x = 189,899.97 × 89,840.22
  4. Step 4: Simplify right side
    137,579.46x = 17,060,655,082.79
  5. Step 5: Solve for x
    x = 17,060,655,082.79/137,579.46
  6. Step 6: Final answer
    x = 124,005.83

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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.