Home / 215,387.72-323,081.66-96,920.67

Finding the Fourth Proportional to 215,387.72, 323,081.66 and 96,920.67

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Solution

The fourth proportional to 215,387.72, 323,081.66 and 96,920.67 is: 145,381.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,387.72 : 323,081.66 = 96,920.67 : x
  2. Step 2: Convert to fraction form
    215,387.72/323,081.66 = 96,920.67/x
  3. Step 3: Cross multiply
    215,387.72x = 323,081.66 × 96,920.67
  4. Step 4: Simplify right side
    215,387.72x = 31,313,291,194.21
  5. Step 5: Solve for x
    x = 31,313,291,194.21/215,387.72
  6. Step 6: Final answer
    x = 145,381.05

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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.