Home / 94,334.35-140,962.57-71,720.77

Finding the Fourth Proportional to 94,334.35, 140,962.57 and 71,720.77

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Solution

The fourth proportional to 94,334.35, 140,962.57 and 71,720.77 is: 107,171.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,334.35 : 140,962.57 = 71,720.77 : x
  2. Step 2: Convert to fraction form
    94,334.35/140,962.57 = 71,720.77/x
  3. Step 3: Cross multiply
    94,334.35x = 140,962.57 × 71,720.77
  4. Step 4: Simplify right side
    94,334.35x = 10,109,943,750.72
  5. Step 5: Solve for x
    x = 10,109,943,750.72/94,334.35
  6. Step 6: Final answer
    x = 107,171.40

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.