Home / 90,698.28-136,012.40-29,893.94

Finding the Fourth Proportional to 90,698.28, 136,012.40 and 29,893.94

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Solution

The fourth proportional to 90,698.28, 136,012.40 and 29,893.94 is: 44,829.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,698.28 : 136,012.40 = 29,893.94 : x
  2. Step 2: Convert to fraction form
    90,698.28/136,012.40 = 29,893.94/x
  3. Step 3: Cross multiply
    90,698.28x = 136,012.40 × 29,893.94
  4. Step 4: Simplify right side
    90,698.28x = 4,065,946,524.86
  5. Step 5: Solve for x
    x = 4,065,946,524.86/90,698.28
  6. Step 6: Final answer
    x = 44,829.37

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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.