Home / 230,121.72-345,221.94-105,473.40

Finding the Fourth Proportional to 230,121.72, 345,221.94 and 105,473.40

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Solution

The fourth proportional to 230,121.72, 345,221.94 and 105,473.40 is: 158,228.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,121.72 : 345,221.94 = 105,473.40 : x
  2. Step 2: Convert to fraction form
    230,121.72/345,221.94 = 105,473.40/x
  3. Step 3: Cross multiply
    230,121.72x = 345,221.94 × 105,473.40
  4. Step 4: Simplify right side
    230,121.72x = 36,411,731,766.40
  5. Step 5: Solve for x
    x = 36,411,731,766.40/230,121.72
  6. Step 6: Final answer
    x = 158,228.14

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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.