Home / 122,284.80-183,012.48-73,071.36

Finding the Fourth Proportional to 122,284.80, 183,012.48 and 73,071.36

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Solution

The fourth proportional to 122,284.80, 183,012.48 and 73,071.36 is: 109,359.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,284.80 : 183,012.48 = 73,071.36 : x
  2. Step 2: Convert to fraction form
    122,284.80/183,012.48 = 73,071.36/x
  3. Step 3: Cross multiply
    122,284.80x = 183,012.48 × 73,071.36
  4. Step 4: Simplify right side
    122,284.80x = 13,372,970,810.57
  5. Step 5: Solve for x
    x = 13,372,970,810.57/122,284.80
  6. Step 6: Final answer
    x = 109,359.22

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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.