Home / 183,967.12-253,829.64-112,321.04

Finding the Fourth Proportional to 183,967.12, 253,829.64 and 112,321.04

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Solution

The fourth proportional to 183,967.12, 253,829.64 and 112,321.04 is: 154,975.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,967.12 : 253,829.64 = 112,321.04 : x
  2. Step 2: Convert to fraction form
    183,967.12/253,829.64 = 112,321.04/x
  3. Step 3: Cross multiply
    183,967.12x = 253,829.64 × 112,321.04
  4. Step 4: Simplify right side
    183,967.12x = 28,510,409,147.63
  5. Step 5: Solve for x
    x = 28,510,409,147.63/183,967.12
  6. Step 6: Final answer
    x = 154,975.57

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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.