Home / 183,712.42-253,537.78-103,145.23

Finding the Fourth Proportional to 183,712.42, 253,537.78 and 103,145.23

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Solution

The fourth proportional to 183,712.42, 253,537.78 and 103,145.23 is: 142,348.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,712.42 : 253,537.78 = 103,145.23 : x
  2. Step 2: Convert to fraction form
    183,712.42/253,537.78 = 103,145.23/x
  3. Step 3: Cross multiply
    183,712.42x = 253,537.78 × 103,145.23
  4. Step 4: Simplify right side
    183,712.42x = 26,151,212,631.79
  5. Step 5: Solve for x
    x = 26,151,212,631.79/183,712.42
  6. Step 6: Final answer
    x = 142,348.64

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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.