Home / 119,567.31-164,990.68-73,619.66

Finding the Fourth Proportional to 119,567.31, 164,990.68 and 73,619.66

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Solution

The fourth proportional to 119,567.31, 164,990.68 and 73,619.66 is: 101,587.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,567.31 : 164,990.68 = 73,619.66 : x
  2. Step 2: Convert to fraction form
    119,567.31/164,990.68 = 73,619.66/x
  3. Step 3: Cross multiply
    119,567.31x = 164,990.68 × 73,619.66
  4. Step 4: Simplify right side
    119,567.31x = 12,146,556,939.82
  5. Step 5: Solve for x
    x = 12,146,556,939.82/119,567.31
  6. Step 6: Final answer
    x = 101,587.61

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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.