Home / 127,490.94-191,240.46-38,745.22

Finding the Fourth Proportional to 127,490.94, 191,240.46 and 38,745.22

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Solution

The fourth proportional to 127,490.94, 191,240.46 and 38,745.22 is: 58,119.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,490.94 : 191,240.46 = 38,745.22 : x
  2. Step 2: Convert to fraction form
    127,490.94/191,240.46 = 38,745.22/x
  3. Step 3: Cross multiply
    127,490.94x = 191,240.46 × 38,745.22
  4. Step 4: Simplify right side
    127,490.94x = 7,409,653,695.60
  5. Step 5: Solve for x
    x = 7,409,653,695.60/127,490.94
  6. Step 6: Final answer
    x = 58,119.06

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1.5x scale

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.