Home / 94,137.84-129,910.58-51,117.40

Finding the Fourth Proportional to 94,137.84, 129,910.58 and 51,117.40

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Solution

The fourth proportional to 94,137.84, 129,910.58 and 51,117.40 is: 70,542.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,137.84 : 129,910.58 = 51,117.40 : x
  2. Step 2: Convert to fraction form
    94,137.84/129,910.58 = 51,117.40/x
  3. Step 3: Cross multiply
    94,137.84x = 129,910.58 × 51,117.40
  4. Step 4: Simplify right side
    94,137.84x = 6,640,691,082.09
  5. Step 5: Solve for x
    x = 6,640,691,082.09/94,137.84
  6. Step 6: Final answer
    x = 70,542.21

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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.