Home / 132,984.32-183,542.10-79,272.76

Finding the Fourth Proportional to 132,984.32, 183,542.10 and 79,272.76

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Solution

The fourth proportional to 132,984.32, 183,542.10 and 79,272.76 is: 109,410.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,984.32 : 183,542.10 = 79,272.76 : x
  2. Step 2: Convert to fraction form
    132,984.32/183,542.10 = 79,272.76/x
  3. Step 3: Cross multiply
    132,984.32x = 183,542.10 × 79,272.76
  4. Step 4: Simplify right side
    132,984.32x = 14,549,888,843.20
  5. Step 5: Solve for x
    x = 14,549,888,843.20/132,984.32
  6. Step 6: Final answer
    x = 109,410.56

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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.