Home / 134,592.84-185,727.33-78,007.86

Finding the Fourth Proportional to 134,592.84, 185,727.33 and 78,007.86

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Solution

The fourth proportional to 134,592.84, 185,727.33 and 78,007.86 is: 107,644.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,592.84 : 185,727.33 = 78,007.86 : x
  2. Step 2: Convert to fraction form
    134,592.84/185,727.33 = 78,007.86/x
  3. Step 3: Cross multiply
    134,592.84x = 185,727.33 × 78,007.86
  4. Step 4: Simplify right side
    134,592.84x = 14,488,191,556.81
  5. Step 5: Solve for x
    x = 14,488,191,556.81/134,592.84
  6. Step 6: Final answer
    x = 107,644.59

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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.