Home / 125,714.02-188,363.64-72,450.73

Finding the Fourth Proportional to 125,714.02, 188,363.64 and 72,450.73

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Solution

The fourth proportional to 125,714.02, 188,363.64 and 72,450.73 is: 108,556.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,714.02 : 188,363.64 = 72,450.73 : x
  2. Step 2: Convert to fraction form
    125,714.02/188,363.64 = 72,450.73/x
  3. Step 3: Cross multiply
    125,714.02x = 188,363.64 × 72,450.73
  4. Step 4: Simplify right side
    125,714.02x = 13,647,083,223.46
  5. Step 5: Solve for x
    x = 13,647,083,223.46/125,714.02
  6. Step 6: Final answer
    x = 108,556.57

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1.5x scale

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.