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Finding the Fourth Proportional to 95,400.67, 143,106.02 and 28,839.10

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Solution

The fourth proportional to 95,400.67, 143,106.02 and 28,839.10 is: 43,260.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,400.67 : 143,106.02 = 28,839.10 : x
  2. Step 2: Convert to fraction form
    95,400.67/143,106.02 = 28,839.10/x
  3. Step 3: Cross multiply
    95,400.67x = 143,106.02 × 28,839.10
  4. Step 4: Simplify right side
    95,400.67x = 4,127,048,821.38
  5. Step 5: Solve for x
    x = 4,127,048,821.38/95,400.67
  6. Step 6: Final answer
    x = 43,260.17

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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.