Home / 131,629.11-181,632.53-74,265.08

Finding the Fourth Proportional to 131,629.11, 181,632.53 and 74,265.08

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Solution

The fourth proportional to 131,629.11, 181,632.53 and 74,265.08 is: 102,476.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,629.11 : 181,632.53 = 74,265.08 : x
  2. Step 2: Convert to fraction form
    131,629.11/181,632.53 = 74,265.08/x
  3. Step 3: Cross multiply
    131,629.11x = 181,632.53 × 74,265.08
  4. Step 4: Simplify right side
    131,629.11x = 13,488,953,999.73
  5. Step 5: Solve for x
    x = 13,488,953,999.73/131,629.11
  6. Step 6: Final answer
    x = 102,476.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.