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Finding the Fourth Proportional to 183,898.56, 253,772.95 and 103,329.48

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Solution

The fourth proportional to 183,898.56, 253,772.95 and 103,329.48 is: 142,590.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,898.56 : 253,772.95 = 103,329.48 : x
  2. Step 2: Convert to fraction form
    183,898.56/253,772.95 = 103,329.48/x
  3. Step 3: Cross multiply
    183,898.56x = 253,772.95 × 103,329.48
  4. Step 4: Simplify right side
    183,898.56x = 26,222,226,703.24
  5. Step 5: Solve for x
    x = 26,222,226,703.24/183,898.56
  6. Step 6: Final answer
    x = 142,590.71

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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.