Home / 94,128.01-141,004.53-68,880.72

Finding the Fourth Proportional to 94,128.01, 141,004.53 and 68,880.72

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Solution

The fourth proportional to 94,128.01, 141,004.53 and 68,880.72 is: 103,183.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,128.01 : 141,004.53 = 68,880.72 : x
  2. Step 2: Convert to fraction form
    94,128.01/141,004.53 = 68,880.72/x
  3. Step 3: Cross multiply
    94,128.01x = 141,004.53 × 68,880.72
  4. Step 4: Simplify right side
    94,128.01x = 9,712,493,549.66
  5. Step 5: Solve for x
    x = 9,712,493,549.66/94,128.01
  6. Step 6: Final answer
    x = 103,183.88

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1.5x scale

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.