Home / 112,945.88-169,384.25-38,045.94

Finding the Fourth Proportional to 112,945.88, 169,384.25 and 38,045.94

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Solution

The fourth proportional to 112,945.88, 169,384.25 and 38,045.94 is: 57,057.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,945.88 : 169,384.25 = 38,045.94 : x
  2. Step 2: Convert to fraction form
    112,945.88/169,384.25 = 38,045.94/x
  3. Step 3: Cross multiply
    112,945.88x = 169,384.25 × 38,045.94
  4. Step 4: Simplify right side
    112,945.88x = 6,444,382,822.22
  5. Step 5: Solve for x
    x = 6,444,382,822.22/112,945.88
  6. Step 6: Final answer
    x = 57,057.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.