Home / 109,271.20-163,900.32-38,188.84

Finding the Fourth Proportional to 109,271.20, 163,900.32 and 38,188.84

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Solution

The fourth proportional to 109,271.20, 163,900.32 and 38,188.84 is: 57,281.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,271.20 : 163,900.32 = 38,188.84 : x
  2. Step 2: Convert to fraction form
    109,271.20/163,900.32 = 38,188.84/x
  3. Step 3: Cross multiply
    109,271.20x = 163,900.32 × 38,188.84
  4. Step 4: Simplify right side
    109,271.20x = 6,259,163,096.43
  5. Step 5: Solve for x
    x = 6,259,163,096.43/109,271.20
  6. Step 6: Final answer
    x = 57,281.00

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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.