Home / 251,052.90-346,460.97-137,875.65

Finding the Fourth Proportional to 251,052.90, 346,460.97 and 137,875.65

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Solution

The fourth proportional to 251,052.90, 346,460.97 and 137,875.65 is: 190,272.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,052.90 : 346,460.97 = 137,875.65 : x
  2. Step 2: Convert to fraction form
    251,052.90/346,460.97 = 137,875.65/x
  3. Step 3: Cross multiply
    251,052.90x = 346,460.97 × 137,875.65
  4. Step 4: Simplify right side
    251,052.90x = 47,768,531,438.38
  5. Step 5: Solve for x
    x = 47,768,531,438.38/251,052.90
  6. Step 6: Final answer
    x = 190,272.77

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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.