Home / 119,785.03-179,638.67-39,801.52

Finding the Fourth Proportional to 119,785.03, 179,638.67 and 39,801.52

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Solution

The fourth proportional to 119,785.03, 179,638.67 and 39,801.52 is: 59,689.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,785.03 : 179,638.67 = 39,801.52 : x
  2. Step 2: Convert to fraction form
    119,785.03/179,638.67 = 39,801.52/x
  3. Step 3: Cross multiply
    119,785.03x = 179,638.67 × 39,801.52
  4. Step 4: Simplify right side
    119,785.03x = 7,149,891,218.59
  5. Step 5: Solve for x
    x = 7,149,891,218.59/119,785.03
  6. Step 6: Final answer
    x = 59,689.36

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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.