Home / 133,197.18-183,815.71-79,513.35

Finding the Fourth Proportional to 133,197.18, 183,815.71 and 79,513.35

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Solution

The fourth proportional to 133,197.18, 183,815.71 and 79,513.35 is: 109,730.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,197.18 : 183,815.71 = 79,513.35 : x
  2. Step 2: Convert to fraction form
    133,197.18/183,815.71 = 79,513.35/x
  3. Step 3: Cross multiply
    133,197.18x = 183,815.71 × 79,513.35
  4. Step 4: Simplify right side
    133,197.18x = 14,615,802,884.73
  5. Step 5: Solve for x
    x = 14,615,802,884.73/133,197.18
  6. Step 6: Final answer
    x = 109,730.57

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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.