Home / 175,790.79-242,576.64-103,185.90

Finding the Fourth Proportional to 175,790.79, 242,576.64 and 103,185.90

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Solution

The fourth proportional to 175,790.79, 242,576.64 and 103,185.90 is: 142,387.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,790.79 : 242,576.64 = 103,185.90 : x
  2. Step 2: Convert to fraction form
    175,790.79/242,576.64 = 103,185.90/x
  3. Step 3: Cross multiply
    175,790.79x = 242,576.64 × 103,185.90
  4. Step 4: Simplify right side
    175,790.79x = 25,030,488,917.38
  5. Step 5: Solve for x
    x = 25,030,488,917.38/175,790.79
  6. Step 6: Final answer
    x = 142,387.94

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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.