Home / 109,180.40-163,752.28-30,302.64

Finding the Fourth Proportional to 109,180.40, 163,752.28 and 30,302.64

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Solution

The fourth proportional to 109,180.40, 163,752.28 and 30,302.64 is: 45,448.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,180.40 : 163,752.28 = 30,302.64 : x
  2. Step 2: Convert to fraction form
    109,180.40/163,752.28 = 30,302.64/x
  3. Step 3: Cross multiply
    109,180.40x = 163,752.28 × 30,302.64
  4. Step 4: Simplify right side
    109,180.40x = 4,962,126,390.02
  5. Step 5: Solve for x
    x = 4,962,126,390.02/109,180.40
  6. Step 6: Final answer
    x = 45,448.88

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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.