Home / 127,246.92-190,868.40-31,185.07

Finding the Fourth Proportional to 127,246.92, 190,868.40 and 31,185.07

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Solution

The fourth proportional to 127,246.92, 190,868.40 and 31,185.07 is: 46,777.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,246.92 : 190,868.40 = 31,185.07 : x
  2. Step 2: Convert to fraction form
    127,246.92/190,868.40 = 31,185.07/x
  3. Step 3: Cross multiply
    127,246.92x = 190,868.40 × 31,185.07
  4. Step 4: Simplify right side
    127,246.92x = 5,952,243,937.62
  5. Step 5: Solve for x
    x = 5,952,243,937.62/127,246.92
  6. Step 6: Final answer
    x = 46,777.12

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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.