Home / 162,731.88-224,578.31-91,107.63

Finding the Fourth Proportional to 162,731.88, 224,578.31 and 91,107.63

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Solution

The fourth proportional to 162,731.88, 224,578.31 and 91,107.63 is: 125,733.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,731.88 : 224,578.31 = 91,107.63 : x
  2. Step 2: Convert to fraction form
    162,731.88/224,578.31 = 91,107.63/x
  3. Step 3: Cross multiply
    162,731.88x = 224,578.31 × 91,107.63
  4. Step 4: Simplify right side
    162,731.88x = 20,460,797,117.97
  5. Step 5: Solve for x
    x = 20,460,797,117.97/162,731.88
  6. Step 6: Final answer
    x = 125,733.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.