Home / 125,564.58-173,324.61-83,136.78

Finding the Fourth Proportional to 125,564.58, 173,324.61 and 83,136.78

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Solution

The fourth proportional to 125,564.58, 173,324.61 and 83,136.78 is: 114,758.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,564.58 : 173,324.61 = 83,136.78 : x
  2. Step 2: Convert to fraction form
    125,564.58/173,324.61 = 83,136.78/x
  3. Step 3: Cross multiply
    125,564.58x = 173,324.61 × 83,136.78
  4. Step 4: Simplify right side
    125,564.58x = 14,409,649,970.16
  5. Step 5: Solve for x
    x = 14,409,649,970.16/125,564.58
  6. Step 6: Final answer
    x = 114,758.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.