Home / 126,551.74-189,880.01-55,437.64

Finding the Fourth Proportional to 126,551.74, 189,880.01 and 55,437.64

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Solution

The fourth proportional to 126,551.74, 189,880.01 and 55,437.64 is: 83,179.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,551.74 : 189,880.01 = 55,437.64 : x
  2. Step 2: Convert to fraction form
    126,551.74/189,880.01 = 55,437.64/x
  3. Step 3: Cross multiply
    126,551.74x = 189,880.01 × 55,437.64
  4. Step 4: Simplify right side
    126,551.74x = 10,526,499,637.58
  5. Step 5: Solve for x
    x = 10,526,499,637.58/126,551.74
  6. Step 6: Final answer
    x = 83,179.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.