Home / 132,792.90-183,241.08-78,343.92

Finding the Fourth Proportional to 132,792.90, 183,241.08 and 78,343.92

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Solution

The fourth proportional to 132,792.90, 183,241.08 and 78,343.92 is: 108,106.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,792.90 : 183,241.08 = 78,343.92 : x
  2. Step 2: Convert to fraction form
    132,792.90/183,241.08 = 78,343.92/x
  3. Step 3: Cross multiply
    132,792.90x = 183,241.08 × 78,343.92
  4. Step 4: Simplify right side
    132,792.90x = 14,355,824,512.23
  5. Step 5: Solve for x
    x = 14,355,824,512.23/132,792.90
  6. Step 6: Final answer
    x = 108,106.87

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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.