Home / 122,605.64-183,938.09-42,632.06

Finding the Fourth Proportional to 122,605.64, 183,938.09 and 42,632.06

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Solution

The fourth proportional to 122,605.64, 183,938.09 and 42,632.06 is: 63,958.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,605.64 : 183,938.09 = 42,632.06 : x
  2. Step 2: Convert to fraction form
    122,605.64/183,938.09 = 42,632.06/x
  3. Step 3: Cross multiply
    122,605.64x = 183,938.09 × 42,632.06
  4. Step 4: Simplify right side
    122,605.64x = 7,841,658,556.31
  5. Step 5: Solve for x
    x = 7,841,658,556.31/122,605.64
  6. Step 6: Final answer
    x = 63,958.39

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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.