Home / 163,812.96-245,778.57-57,212.61

Finding the Fourth Proportional to 163,812.96, 245,778.57 and 57,212.61

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Solution

The fourth proportional to 163,812.96, 245,778.57 and 57,212.61 is: 85,839.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,812.96 : 245,778.57 = 57,212.61 : x
  2. Step 2: Convert to fraction form
    163,812.96/245,778.57 = 57,212.61/x
  3. Step 3: Cross multiply
    163,812.96x = 245,778.57 × 57,212.61
  4. Step 4: Simplify right side
    163,812.96x = 14,061,633,471.77
  5. Step 5: Solve for x
    x = 14,061,633,471.77/163,812.96
  6. Step 6: Final answer
    x = 85,839.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.