Home / 132,942.88-183,461.75-72,514.82

Finding the Fourth Proportional to 132,942.88, 183,461.75 and 72,514.82

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Solution

The fourth proportional to 132,942.88, 183,461.75 and 72,514.82 is: 100,070.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,942.88 : 183,461.75 = 72,514.82 : x
  2. Step 2: Convert to fraction form
    132,942.88/183,461.75 = 72,514.82/x
  3. Step 3: Cross multiply
    132,942.88x = 183,461.75 × 72,514.82
  4. Step 4: Simplify right side
    132,942.88x = 13,303,695,778.14
  5. Step 5: Solve for x
    x = 13,303,695,778.14/132,942.88
  6. Step 6: Final answer
    x = 100,070.77

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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.