Home / 124,311.40-186,467.10-89,578.60

Finding the Fourth Proportional to 124,311.40, 186,467.10 and 89,578.60

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Solution

The fourth proportional to 124,311.40, 186,467.10 and 89,578.60 is: 134,367.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,311.40 : 186,467.10 = 89,578.60 : x
  2. Step 2: Convert to fraction form
    124,311.40/186,467.10 = 89,578.60/x
  3. Step 3: Cross multiply
    124,311.40x = 186,467.10 × 89,578.60
  4. Step 4: Simplify right side
    124,311.40x = 16,703,461,764.06
  5. Step 5: Solve for x
    x = 16,703,461,764.06/124,311.40
  6. Step 6: Final answer
    x = 134,367.90

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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.