Home / 109,685.54-164,494.28-39,555.74

Finding the Fourth Proportional to 109,685.54, 164,494.28 and 39,555.74

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Solution

The fourth proportional to 109,685.54, 164,494.28 and 39,555.74 is: 59,321.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,685.54 : 164,494.28 = 39,555.74 : x
  2. Step 2: Convert to fraction form
    109,685.54/164,494.28 = 39,555.74/x
  3. Step 3: Cross multiply
    109,685.54x = 164,494.28 × 39,555.74
  4. Step 4: Simplify right side
    109,685.54x = 6,506,691,950.92
  5. Step 5: Solve for x
    x = 6,506,691,950.92/109,685.54
  6. Step 6: Final answer
    x = 59,321.33

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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.