Home / 89,256.36-123,169.44-51,542.76

Finding the Fourth Proportional to 89,256.36, 123,169.44 and 51,542.76

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Solution

The fourth proportional to 89,256.36, 123,169.44 and 51,542.76 is: 71,126.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,256.36 : 123,169.44 = 51,542.76 : x
  2. Step 2: Convert to fraction form
    89,256.36/123,169.44 = 51,542.76/x
  3. Step 3: Cross multiply
    89,256.36x = 123,169.44 × 51,542.76
  4. Step 4: Simplify right side
    89,256.36x = 6,348,492,885.25
  5. Step 5: Solve for x
    x = 6,348,492,885.25/89,256.36
  6. Step 6: Final answer
    x = 71,126.50

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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.