Home / 215,746.61-323,588.71-65,946.67

Finding the Fourth Proportional to 215,746.61, 323,588.71 and 65,946.67

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Solution

The fourth proportional to 215,746.61, 323,588.71 and 65,946.67 is: 98,910.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,746.61 : 323,588.71 = 65,946.67 : x
  2. Step 2: Convert to fraction form
    215,746.61/323,588.71 = 65,946.67/x
  3. Step 3: Cross multiply
    215,746.61x = 323,588.71 × 65,946.67
  4. Step 4: Simplify right side
    215,746.61x = 21,339,598,596.79
  5. Step 5: Solve for x
    x = 21,339,598,596.79/215,746.61
  6. Step 6: Final answer
    x = 98,910.47

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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.