Home / 217,531.95-326,313.47-91,044.91

Finding the Fourth Proportional to 217,531.95, 326,313.47 and 91,044.91

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Solution

The fourth proportional to 217,531.95, 326,313.47 and 91,044.91 is: 136,573.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,531.95 : 326,313.47 = 91,044.91 : x
  2. Step 2: Convert to fraction form
    217,531.95/326,313.47 = 91,044.91/x
  3. Step 3: Cross multiply
    217,531.95x = 326,313.47 × 91,044.91
  4. Step 4: Simplify right side
    217,531.95x = 29,709,180,507.94
  5. Step 5: Solve for x
    x = 29,709,180,507.94/217,531.95
  6. Step 6: Final answer
    x = 136,573.87

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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.