Home / 103,829.52-155,744.28-28,946.64

Finding the Fourth Proportional to 103,829.52, 155,744.28 and 28,946.64

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Solution

The fourth proportional to 103,829.52, 155,744.28 and 28,946.64 is: 43,419.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,829.52 : 155,744.28 = 28,946.64 : x
  2. Step 2: Convert to fraction form
    103,829.52/155,744.28 = 28,946.64/x
  3. Step 3: Cross multiply
    103,829.52x = 155,744.28 × 28,946.64
  4. Step 4: Simplify right side
    103,829.52x = 4,508,273,605.22
  5. Step 5: Solve for x
    x = 4,508,273,605.22/103,829.52
  6. Step 6: Final answer
    x = 43,419.96

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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.