Home / 136,514.97-188,384.67-76,092.21

Finding the Fourth Proportional to 136,514.97, 188,384.67 and 76,092.21

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Solution

The fourth proportional to 136,514.97, 188,384.67 and 76,092.21 is: 105,003.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,514.97 : 188,384.67 = 76,092.21 : x
  2. Step 2: Convert to fraction form
    136,514.97/188,384.67 = 76,092.21/x
  3. Step 3: Cross multiply
    136,514.97x = 188,384.67 × 76,092.21
  4. Step 4: Simplify right side
    136,514.97x = 14,334,605,870.42
  5. Step 5: Solve for x
    x = 14,334,605,870.42/136,514.97
  6. Step 6: Final answer
    x = 105,003.91

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1.5x scale

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.