Home / 122,607.14-183,909.53-72,651.28

Finding the Fourth Proportional to 122,607.14, 183,909.53 and 72,651.28

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Solution

The fourth proportional to 122,607.14, 183,909.53 and 72,651.28 is: 108,976.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,607.14 : 183,909.53 = 72,651.28 : x
  2. Step 2: Convert to fraction form
    122,607.14/183,909.53 = 72,651.28/x
  3. Step 3: Cross multiply
    122,607.14x = 183,909.53 × 72,651.28
  4. Step 4: Simplify right side
    122,607.14x = 13,361,261,839.15
  5. Step 5: Solve for x
    x = 13,361,261,839.15/122,607.14
  6. Step 6: Final answer
    x = 108,976.22

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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.