Home / 126,544.02-189,835.48-42,288.62

Finding the Fourth Proportional to 126,544.02, 189,835.48 and 42,288.62

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Solution

The fourth proportional to 126,544.02, 189,835.48 and 42,288.62 is: 63,439.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,544.02 : 189,835.48 = 42,288.62 : x
  2. Step 2: Convert to fraction form
    126,544.02/189,835.48 = 42,288.62/x
  3. Step 3: Cross multiply
    126,544.02x = 189,835.48 × 42,288.62
  4. Step 4: Simplify right side
    126,544.02x = 8,027,880,476.24
  5. Step 5: Solve for x
    x = 8,027,880,476.24/126,544.02
  6. Step 6: Final answer
    x = 63,439.43

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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.