Home / 194,368.40-268,220.10-108,322.80

Finding the Fourth Proportional to 194,368.40, 268,220.10 and 108,322.80

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Solution

The fourth proportional to 194,368.40, 268,220.10 and 108,322.80 is: 149,480.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,368.40 : 268,220.10 = 108,322.80 : x
  2. Step 2: Convert to fraction form
    194,368.40/268,220.10 = 108,322.80/x
  3. Step 3: Cross multiply
    194,368.40x = 268,220.10 × 108,322.80
  4. Step 4: Simplify right side
    194,368.40x = 29,054,352,248.28
  5. Step 5: Solve for x
    x = 29,054,352,248.28/194,368.40
  6. Step 6: Final answer
    x = 149,480.85

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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.