Home / 179,051.40-268,139.70-134,436.60

Finding the Fourth Proportional to 179,051.40, 268,139.70 and 134,436.60

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Solution

The fourth proportional to 179,051.40, 268,139.70 and 134,436.60 is: 201,326.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,051.40 : 268,139.70 = 134,436.60 : x
  2. Step 2: Convert to fraction form
    179,051.40/268,139.70 = 134,436.60/x
  3. Step 3: Cross multiply
    179,051.40x = 268,139.70 × 134,436.60
  4. Step 4: Simplify right side
    179,051.40x = 36,047,789,593.02
  5. Step 5: Solve for x
    x = 36,047,789,593.02/179,051.40
  6. Step 6: Final answer
    x = 201,326.49

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1.5x scale

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.