Home / 137,622.70-206,434.36-37,784.26

Finding the Fourth Proportional to 137,622.70, 206,434.36 and 37,784.26

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Solution

The fourth proportional to 137,622.70, 206,434.36 and 37,784.26 is: 56,676.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,622.70 : 206,434.36 = 37,784.26 : x
  2. Step 2: Convert to fraction form
    137,622.70/206,434.36 = 37,784.26/x
  3. Step 3: Cross multiply
    137,622.70x = 206,434.36 × 37,784.26
  4. Step 4: Simplify right side
    137,622.70x = 7,799,969,531.17
  5. Step 5: Solve for x
    x = 7,799,969,531.17/137,622.70
  6. Step 6: Final answer
    x = 56,676.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.