Home / 136,582.12-188,484.44-76,156.85

Finding the Fourth Proportional to 136,582.12, 188,484.44 and 76,156.85

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Solution

The fourth proportional to 136,582.12, 188,484.44 and 76,156.85 is: 105,097.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,582.12 : 188,484.44 = 76,156.85 : x
  2. Step 2: Convert to fraction form
    136,582.12/188,484.44 = 76,156.85/x
  3. Step 3: Cross multiply
    136,582.12x = 188,484.44 × 76,156.85
  4. Step 4: Simplify right side
    136,582.12x = 14,354,381,224.41
  5. Step 5: Solve for x
    x = 14,354,381,224.41/136,582.12
  6. Step 6: Final answer
    x = 105,097.07

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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.