Home / 102,321.48-153,503.10-43,157.04

Finding the Fourth Proportional to 102,321.48, 153,503.10 and 43,157.04

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Solution

The fourth proportional to 102,321.48, 153,503.10 and 43,157.04 is: 64,744.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,321.48 : 153,503.10 = 43,157.04 : x
  2. Step 2: Convert to fraction form
    102,321.48/153,503.10 = 43,157.04/x
  3. Step 3: Cross multiply
    102,321.48x = 153,503.10 × 43,157.04
  4. Step 4: Simplify right side
    102,321.48x = 6,624,739,426.82
  5. Step 5: Solve for x
    x = 6,624,739,426.82/102,321.48
  6. Step 6: Final answer
    x = 64,744.37

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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.