Home / 119,284.80-164,619.36-71,540.16

Finding the Fourth Proportional to 119,284.80, 164,619.36 and 71,540.16

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Solution

The fourth proportional to 119,284.80, 164,619.36 and 71,540.16 is: 98,729.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,284.80 : 164,619.36 = 71,540.16 : x
  2. Step 2: Convert to fraction form
    119,284.80/164,619.36 = 71,540.16/x
  3. Step 3: Cross multiply
    119,284.80x = 164,619.36 × 71,540.16
  4. Step 4: Simplify right side
    119,284.80x = 11,776,895,353.50
  5. Step 5: Solve for x
    x = 11,776,895,353.50/119,284.80
  6. Step 6: Final answer
    x = 98,729.22

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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.