Home / 132,767.68-183,135.67-79,012.56

Finding the Fourth Proportional to 132,767.68, 183,135.67 and 79,012.56

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Solution

The fourth proportional to 132,767.68, 183,135.67 and 79,012.56 is: 108,987.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,767.68 : 183,135.67 = 79,012.56 : x
  2. Step 2: Convert to fraction form
    132,767.68/183,135.67 = 79,012.56/x
  3. Step 3: Cross multiply
    132,767.68x = 183,135.67 × 79,012.56
  4. Step 4: Simplify right side
    132,767.68x = 14,470,018,114.02
  5. Step 5: Solve for x
    x = 14,470,018,114.02/132,767.68
  6. Step 6: Final answer
    x = 108,987.50

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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.