Home / 119,988.36-179,530.26-71,778.36

Finding the Fourth Proportional to 119,988.36, 179,530.26 and 71,778.36

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Solution

The fourth proportional to 119,988.36, 179,530.26 and 71,778.36 is: 107,396.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,988.36 : 179,530.26 = 71,778.36 : x
  2. Step 2: Convert to fraction form
    119,988.36/179,530.26 = 71,778.36/x
  3. Step 3: Cross multiply
    119,988.36x = 179,530.26 × 71,778.36
  4. Step 4: Simplify right side
    119,988.36x = 12,886,387,633.17
  5. Step 5: Solve for x
    x = 12,886,387,633.17/119,988.36
  6. Step 6: Final answer
    x = 107,396.98

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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.