Home / 251,030-346,423.83-137,855.18

Finding the Fourth Proportional to 251,030, 346,423.83 and 137,855.18

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Solution

The fourth proportional to 251,030, 346,423.83 and 137,855.18 is: 190,241.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,030 : 346,423.83 = 137,855.18 : x
  2. Step 2: Convert to fraction form
    251,030/346,423.83 = 137,855.18/x
  3. Step 3: Cross multiply
    251,030x = 346,423.83 × 137,855.18
  4. Step 4: Simplify right side
    251,030x = 47,756,319,440.94
  5. Step 5: Solve for x
    x = 47,756,319,440.94/251,030
  6. Step 6: Final answer
    x = 190,241.48

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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.