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Finding the Fourth Proportional to 94,500.92, 141,800.80 and 89,055.30

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Solution

The fourth proportional to 94,500.92, 141,800.80 and 89,055.30 is: 133,629.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,500.92 : 141,800.80 = 89,055.30 : x
  2. Step 2: Convert to fraction form
    94,500.92/141,800.80 = 89,055.30/x
  3. Step 3: Cross multiply
    94,500.92x = 141,800.80 × 89,055.30
  4. Step 4: Simplify right side
    94,500.92x = 12,628,112,784.24
  5. Step 5: Solve for x
    x = 12,628,112,784.24/94,500.92
  6. Step 6: Final answer
    x = 133,629.52

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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.