Home / 92,129.28-127,136.46-51,292.86

Finding the Fourth Proportional to 92,129.28, 127,136.46 and 51,292.86

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Solution

The fourth proportional to 92,129.28, 127,136.46 and 51,292.86 is: 70,783.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,129.28 : 127,136.46 = 51,292.86 : x
  2. Step 2: Convert to fraction form
    92,129.28/127,136.46 = 51,292.86/x
  3. Step 3: Cross multiply
    92,129.28x = 127,136.46 × 51,292.86
  4. Step 4: Simplify right side
    92,129.28x = 6,521,192,643.68
  5. Step 5: Solve for x
    x = 6,521,192,643.68/92,129.28
  6. Step 6: Final answer
    x = 70,783.06

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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.