Home / 109,521.32-164,241.86-53,344.58

Finding the Fourth Proportional to 109,521.32, 164,241.86 and 53,344.58

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Solution

The fourth proportional to 109,521.32, 164,241.86 and 53,344.58 is: 79,997.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,521.32 : 164,241.86 = 53,344.58 : x
  2. Step 2: Convert to fraction form
    109,521.32/164,241.86 = 53,344.58/x
  3. Step 3: Cross multiply
    109,521.32x = 164,241.86 × 53,344.58
  4. Step 4: Simplify right side
    109,521.32x = 8,761,413,040.12
  5. Step 5: Solve for x
    x = 8,761,413,040.12/109,521.32
  6. Step 6: Final answer
    x = 79,997.33

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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.