Home / 137,226.24-189,365.76-77,598.72

Finding the Fourth Proportional to 137,226.24, 189,365.76 and 77,598.72

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Solution

The fourth proportional to 137,226.24, 189,365.76 and 77,598.72 is: 107,082.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,226.24 : 189,365.76 = 77,598.72 : x
  2. Step 2: Convert to fraction form
    137,226.24/189,365.76 = 77,598.72/x
  3. Step 3: Cross multiply
    137,226.24x = 189,365.76 × 77,598.72
  4. Step 4: Simplify right side
    137,226.24x = 14,694,540,587.83
  5. Step 5: Solve for x
    x = 14,694,540,587.83/137,226.24
  6. Step 6: Final answer
    x = 107,082.59

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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.