Home / 137,388.87-189,498.27-126,094.77

Finding the Fourth Proportional to 137,388.87, 189,498.27 and 126,094.77

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Solution

The fourth proportional to 137,388.87, 189,498.27 and 126,094.77 is: 173,920.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,388.87 : 189,498.27 = 126,094.77 : x
  2. Step 2: Convert to fraction form
    137,388.87/189,498.27 = 126,094.77/x
  3. Step 3: Cross multiply
    137,388.87x = 189,498.27 × 126,094.77
  4. Step 4: Simplify right side
    137,388.87x = 23,894,740,771.05
  5. Step 5: Solve for x
    x = 23,894,740,771.05/137,388.87
  6. Step 6: Final answer
    x = 173,920.50

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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.