Home / 251,048.72-346,449.48-137,872.28

Finding the Fourth Proportional to 251,048.72, 346,449.48 and 137,872.28

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Solution

The fourth proportional to 251,048.72, 346,449.48 and 137,872.28 is: 190,264.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,048.72 : 346,449.48 = 137,872.28 : x
  2. Step 2: Convert to fraction form
    251,048.72/346,449.48 = 137,872.28/x
  3. Step 3: Cross multiply
    251,048.72x = 346,449.48 × 137,872.28
  4. Step 4: Simplify right side
    251,048.72x = 47,765,779,712.41
  5. Step 5: Solve for x
    x = 47,765,779,712.41/251,048.72
  6. Step 6: Final answer
    x = 190,264.98

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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.