Home / 109,330.26-150,970.80-84,086.82

Finding the Fourth Proportional to 109,330.26, 150,970.80 and 84,086.82

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Solution

The fourth proportional to 109,330.26, 150,970.80 and 84,086.82 is: 116,112.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,330.26 : 150,970.80 = 84,086.82 : x
  2. Step 2: Convert to fraction form
    109,330.26/150,970.80 = 84,086.82/x
  3. Step 3: Cross multiply
    109,330.26x = 150,970.80 × 84,086.82
  4. Step 4: Simplify right side
    109,330.26x = 12,694,654,484.86
  5. Step 5: Solve for x
    x = 12,694,654,484.86/109,330.26
  6. Step 6: Final answer
    x = 116,112.91

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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.