Home / 215,312.21-323,087.23-88,923.05

Finding the Fourth Proportional to 215,312.21, 323,087.23 and 88,923.05

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Solution

The fourth proportional to 215,312.21, 323,087.23 and 88,923.05 is: 133,433.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,312.21 : 323,087.23 = 88,923.05 : x
  2. Step 2: Convert to fraction form
    215,312.21/323,087.23 = 88,923.05/x
  3. Step 3: Cross multiply
    215,312.21x = 323,087.23 × 88,923.05
  4. Step 4: Simplify right side
    215,312.21x = 28,729,901,907.65
  5. Step 5: Solve for x
    x = 28,729,901,907.65/215,312.21
  6. Step 6: Final answer
    x = 133,433.69

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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.