Home / 117,669.05-162,384.38-63,954.20

Finding the Fourth Proportional to 117,669.05, 162,384.38 and 63,954.20

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Solution

The fourth proportional to 117,669.05, 162,384.38 and 63,954.20 is: 88,257.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,669.05 : 162,384.38 = 63,954.20 : x
  2. Step 2: Convert to fraction form
    117,669.05/162,384.38 = 63,954.20/x
  3. Step 3: Cross multiply
    117,669.05x = 162,384.38 × 63,954.20
  4. Step 4: Simplify right side
    117,669.05x = 10,385,163,441.41
  5. Step 5: Solve for x
    x = 10,385,163,441.41/117,669.05
  6. Step 6: Final answer
    x = 88,257.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.