Home / 124,118.96-186,295.05-64,997.06

Finding the Fourth Proportional to 124,118.96, 186,295.05 and 64,997.06

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Solution

The fourth proportional to 124,118.96, 186,295.05 and 64,997.06 is: 97,556.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,118.96 : 186,295.05 = 64,997.06 : x
  2. Step 2: Convert to fraction form
    124,118.96/186,295.05 = 64,997.06/x
  3. Step 3: Cross multiply
    124,118.96x = 186,295.05 × 64,997.06
  4. Step 4: Simplify right side
    124,118.96x = 12,108,629,611.08
  5. Step 5: Solve for x
    x = 12,108,629,611.08/124,118.96
  6. Step 6: Final answer
    x = 97,556.65

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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.