Home / 215,890.23-323,835.06-58,118.85

Finding the Fourth Proportional to 215,890.23, 323,835.06 and 58,118.85

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Solution

The fourth proportional to 215,890.23, 323,835.06 and 58,118.85 is: 87,178.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,890.23 : 323,835.06 = 58,118.85 : x
  2. Step 2: Convert to fraction form
    215,890.23/323,835.06 = 58,118.85/x
  3. Step 3: Cross multiply
    215,890.23x = 323,835.06 × 58,118.85
  4. Step 4: Simplify right side
    215,890.23x = 18,820,921,276.88
  5. Step 5: Solve for x
    x = 18,820,921,276.88/215,890.23
  6. Step 6: Final answer
    x = 87,178.20

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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.