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Finding the Fourth Proportional to 95,898.77, 143,817.02 and 45,289.97

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Solution

The fourth proportional to 95,898.77, 143,817.02 and 45,289.97 is: 67,920.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,898.77 : 143,817.02 = 45,289.97 : x
  2. Step 2: Convert to fraction form
    95,898.77/143,817.02 = 45,289.97/x
  3. Step 3: Cross multiply
    95,898.77x = 143,817.02 × 45,289.97
  4. Step 4: Simplify right side
    95,898.77x = 6,513,468,521.29
  5. Step 5: Solve for x
    x = 6,513,468,521.29/95,898.77
  6. Step 6: Final answer
    x = 67,920.25

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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.