Home / 124,302.40-186,480.60-45,416.50

Finding the Fourth Proportional to 124,302.40, 186,480.60 and 45,416.50

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Solution

The fourth proportional to 124,302.40, 186,480.60 and 45,416.50 is: 68,134.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,302.40 : 186,480.60 = 45,416.50 : x
  2. Step 2: Convert to fraction form
    124,302.40/186,480.60 = 45,416.50/x
  3. Step 3: Cross multiply
    124,302.40x = 186,480.60 × 45,416.50
  4. Step 4: Simplify right side
    124,302.40x = 8,469,296,169.90
  5. Step 5: Solve for x
    x = 8,469,296,169.90/124,302.40
  6. Step 6: Final answer
    x = 68,134.62

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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.