Home / 132,627.89-183,022.26-78,900.59

Finding the Fourth Proportional to 132,627.89, 183,022.26 and 78,900.59

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Solution

The fourth proportional to 132,627.89, 183,022.26 and 78,900.59 is: 108,880.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,627.89 : 183,022.26 = 78,900.59 : x
  2. Step 2: Convert to fraction form
    132,627.89/183,022.26 = 78,900.59/x
  3. Step 3: Cross multiply
    132,627.89x = 183,022.26 × 78,900.59
  4. Step 4: Simplify right side
    132,627.89x = 14,440,564,297.13
  5. Step 5: Solve for x
    x = 14,440,564,297.13/132,627.89
  6. Step 6: Final answer
    x = 108,880.30

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1.5x scale

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.