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Finding the Fourth Proportional to 102,592.96, 154,059.63 and 63,399.19

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Solution

The fourth proportional to 102,592.96, 154,059.63 and 63,399.19 is: 95,203.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,592.96 : 154,059.63 = 63,399.19 : x
  2. Step 2: Convert to fraction form
    102,592.96/154,059.63 = 63,399.19/x
  3. Step 3: Cross multiply
    102,592.96x = 154,059.63 × 63,399.19
  4. Step 4: Simplify right side
    102,592.96x = 9,767,254,983.40
  5. Step 5: Solve for x
    x = 9,767,254,983.40/102,592.96
  6. Step 6: Final answer
    x = 95,203.95

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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.