Home / 146,457.20-219,696.60-52,950.80

Finding the Fourth Proportional to 146,457.20, 219,696.60 and 52,950.80

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Solution

The fourth proportional to 146,457.20, 219,696.60 and 52,950.80 is: 79,430.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,457.20 : 219,696.60 = 52,950.80 : x
  2. Step 2: Convert to fraction form
    146,457.20/219,696.60 = 52,950.80/x
  3. Step 3: Cross multiply
    146,457.20x = 219,696.60 × 52,950.80
  4. Step 4: Simplify right side
    146,457.20x = 11,633,110,727.28
  5. Step 5: Solve for x
    x = 11,633,110,727.28/146,457.20
  6. Step 6: Final answer
    x = 79,430.10

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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.