Home / 132,457.20-198,617.40-38,950.80

Finding the Fourth Proportional to 132,457.20, 198,617.40 and 38,950.80

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Solution

The fourth proportional to 132,457.20, 198,617.40 and 38,950.80 is: 58,406.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,457.20 : 198,617.40 = 38,950.80 : x
  2. Step 2: Convert to fraction form
    132,457.20/198,617.40 = 38,950.80/x
  3. Step 3: Cross multiply
    132,457.20x = 198,617.40 × 38,950.80
  4. Step 4: Simplify right side
    132,457.20x = 7,736,306,623.92
  5. Step 5: Solve for x
    x = 7,736,306,623.92/132,457.20
  6. Step 6: Final answer
    x = 58,406.09

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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.