Home / 122,418.40-183,632.28-43,543.84

Finding the Fourth Proportional to 122,418.40, 183,632.28 and 43,543.84

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Solution

The fourth proportional to 122,418.40, 183,632.28 and 43,543.84 is: 65,317.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,418.40 : 183,632.28 = 43,543.84 : x
  2. Step 2: Convert to fraction form
    122,418.40/183,632.28 = 43,543.84/x
  3. Step 3: Cross multiply
    122,418.40x = 183,632.28 × 43,543.84
  4. Step 4: Simplify right side
    122,418.40x = 7,996,054,619.16
  5. Step 5: Solve for x
    x = 7,996,054,619.16/122,418.40
  6. Step 6: Final answer
    x = 65,317.42

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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.