Home / 132,968.64-183,402.78-79,212.18

Finding the Fourth Proportional to 132,968.64, 183,402.78 and 79,212.18

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Solution

The fourth proportional to 132,968.64, 183,402.78 and 79,212.18 is: 109,256.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,968.64 : 183,402.78 = 79,212.18 : x
  2. Step 2: Convert to fraction form
    132,968.64/183,402.78 = 79,212.18/x
  3. Step 3: Cross multiply
    132,968.64x = 183,402.78 × 79,212.18
  4. Step 4: Simplify right side
    132,968.64x = 14,527,734,021.86
  5. Step 5: Solve for x
    x = 14,527,734,021.86/132,968.64
  6. Step 6: Final answer
    x = 109,256.84

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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.