Home / 283,721.40-425,582.10-125,782.20

Finding the Fourth Proportional to 283,721.40, 425,582.10 and 125,782.20

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Solution

The fourth proportional to 283,721.40, 425,582.10 and 125,782.20 is: 188,673.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,721.40 : 425,582.10 = 125,782.20 : x
  2. Step 2: Convert to fraction form
    283,721.40/425,582.10 = 125,782.20/x
  3. Step 3: Cross multiply
    283,721.40x = 425,582.10 × 125,782.20
  4. Step 4: Simplify right side
    283,721.40x = 53,530,652,818.62
  5. Step 5: Solve for x
    x = 53,530,652,818.62/283,721.40
  6. Step 6: Final answer
    x = 188,673.30

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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.