Home / 122,400.86-183,428.88-97,329.62

Finding the Fourth Proportional to 122,400.86, 183,428.88 and 97,329.62

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Solution

The fourth proportional to 122,400.86, 183,428.88 and 97,329.62 is: 145,857.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,400.86 : 183,428.88 = 97,329.62 : x
  2. Step 2: Convert to fraction form
    122,400.86/183,428.88 = 97,329.62/x
  3. Step 3: Cross multiply
    122,400.86x = 183,428.88 × 97,329.62
  4. Step 4: Simplify right side
    122,400.86x = 17,853,063,187.43
  5. Step 5: Solve for x
    x = 17,853,063,187.43/122,400.86
  6. Step 6: Final answer
    x = 145,857.33

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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.