Home / 122,628-183,775.68-55,985.52

Finding the Fourth Proportional to 122,628, 183,775.68 and 55,985.52

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Solution

The fourth proportional to 122,628, 183,775.68 and 55,985.52 is: 83,902.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,628 : 183,775.68 = 55,985.52 : x
  2. Step 2: Convert to fraction form
    122,628/183,775.68 = 55,985.52/x
  3. Step 3: Cross multiply
    122,628x = 183,775.68 × 55,985.52
  4. Step 4: Simplify right side
    122,628x = 10,288,777,008.15
  5. Step 5: Solve for x
    x = 10,288,777,008.15/122,628
  6. Step 6: Final answer
    x = 83,902.35

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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.