Home / 215,595.09-323,407.26-73,381.77

Finding the Fourth Proportional to 215,595.09, 323,407.26 and 73,381.77

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Solution

The fourth proportional to 215,595.09, 323,407.26 and 73,381.77 is: 110,077.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,595.09 : 323,407.26 = 73,381.77 : x
  2. Step 2: Convert to fraction form
    215,595.09/323,407.26 = 73,381.77/x
  3. Step 3: Cross multiply
    215,595.09x = 323,407.26 × 73,381.77
  4. Step 4: Simplify right side
    215,595.09x = 23,732,197,169.65
  5. Step 5: Solve for x
    x = 23,732,197,169.65/215,595.09
  6. Step 6: Final answer
    x = 110,077.63

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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.