Home / 109,460.36-163,944.51-66,649.84

Finding the Fourth Proportional to 109,460.36, 163,944.51 and 66,649.84

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Solution

The fourth proportional to 109,460.36, 163,944.51 and 66,649.84 is: 99,824.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,460.36 : 163,944.51 = 66,649.84 : x
  2. Step 2: Convert to fraction form
    109,460.36/163,944.51 = 66,649.84/x
  3. Step 3: Cross multiply
    109,460.36x = 163,944.51 × 66,649.84
  4. Step 4: Simplify right side
    109,460.36x = 10,926,874,700.58
  5. Step 5: Solve for x
    x = 10,926,874,700.58/109,460.36
  6. Step 6: Final answer
    x = 99,824.95

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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.