Home / 109,913.94-151,684.68-62,166.36

Finding the Fourth Proportional to 109,913.94, 151,684.68 and 62,166.36

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Solution

The fourth proportional to 109,913.94, 151,684.68 and 62,166.36 is: 85,791.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,913.94 : 151,684.68 = 62,166.36 : x
  2. Step 2: Convert to fraction form
    109,913.94/151,684.68 = 62,166.36/x
  3. Step 3: Cross multiply
    109,913.94x = 151,684.68 × 62,166.36
  4. Step 4: Simplify right side
    109,913.94x = 9,429,684,423.36
  5. Step 5: Solve for x
    x = 9,429,684,423.36/109,913.94
  6. Step 6: Final answer
    x = 85,791.52

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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.