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Finding the Fourth Proportional to 104,100.30, 156,041.10 and 59,631.30

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Solution

The fourth proportional to 104,100.30, 156,041.10 and 59,631.30 is: 89,384.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,100.30 : 156,041.10 = 59,631.30 : x
  2. Step 2: Convert to fraction form
    104,100.30/156,041.10 = 59,631.30/x
  3. Step 3: Cross multiply
    104,100.30x = 156,041.10 × 59,631.30
  4. Step 4: Simplify right side
    104,100.30x = 9,304,933,646.43
  5. Step 5: Solve for x
    x = 9,304,933,646.43/104,100.30
  6. Step 6: Final answer
    x = 89,384.31

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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.