Home / 109,994.09-164,991.74-39,871.58

Finding the Fourth Proportional to 109,994.09, 164,991.74 and 39,871.58

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Solution

The fourth proportional to 109,994.09, 164,991.74 and 39,871.58 is: 59,807.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,994.09 : 164,991.74 = 39,871.58 : x
  2. Step 2: Convert to fraction form
    109,994.09/164,991.74 = 39,871.58/x
  3. Step 3: Cross multiply
    109,994.09x = 164,991.74 × 39,871.58
  4. Step 4: Simplify right side
    109,994.09x = 6,578,480,336.43
  5. Step 5: Solve for x
    x = 6,578,480,336.43/109,994.09
  6. Step 6: Final answer
    x = 59,807.58

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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.