Home / 102,309.60-153,522.96-55,566.56

Finding the Fourth Proportional to 102,309.60, 153,522.96 and 55,566.56

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Solution

The fourth proportional to 102,309.60, 153,522.96 and 55,566.56 is: 83,381.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,309.60 : 153,522.96 = 55,566.56 : x
  2. Step 2: Convert to fraction form
    102,309.60/153,522.96 = 55,566.56/x
  3. Step 3: Cross multiply
    102,309.60x = 153,522.96 × 55,566.56
  4. Step 4: Simplify right side
    102,309.60x = 8,530,742,768.22
  5. Step 5: Solve for x
    x = 8,530,742,768.22/102,309.60
  6. Step 6: Final answer
    x = 83,381.65

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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.