Home / 137,303.94-189,381.72-126,009.88

Finding the Fourth Proportional to 137,303.94, 189,381.72 and 126,009.88

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Solution

The fourth proportional to 137,303.94, 189,381.72 and 126,009.88 is: 173,803.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,303.94 : 189,381.72 = 126,009.88 : x
  2. Step 2: Convert to fraction form
    137,303.94/189,381.72 = 126,009.88/x
  3. Step 3: Cross multiply
    137,303.94x = 189,381.72 × 126,009.88
  4. Step 4: Simplify right side
    137,303.94x = 23,863,967,181.34
  5. Step 5: Solve for x
    x = 23,863,967,181.34/137,303.94
  6. Step 6: Final answer
    x = 173,803.95

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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.