Home / 178,925.72-268,450.52-90,106.80

Finding the Fourth Proportional to 178,925.72, 268,450.52 and 90,106.80

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Solution

The fourth proportional to 178,925.72, 268,450.52 and 90,106.80 is: 135,191.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,925.72 : 268,450.52 = 90,106.80 : x
  2. Step 2: Convert to fraction form
    178,925.72/268,450.52 = 90,106.80/x
  3. Step 3: Cross multiply
    178,925.72x = 268,450.52 × 90,106.80
  4. Step 4: Simplify right side
    178,925.72x = 24,189,217,315.54
  5. Step 5: Solve for x
    x = 24,189,217,315.54/178,925.72
  6. Step 6: Final answer
    x = 135,191.39

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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.