Home / 142,457.08-213,734.76-53,735.98

Finding the Fourth Proportional to 142,457.08, 213,734.76 and 53,735.98

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Solution

The fourth proportional to 142,457.08, 213,734.76 and 53,735.98 is: 80,622.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,457.08 : 213,734.76 = 53,735.98 : x
  2. Step 2: Convert to fraction form
    142,457.08/213,734.76 = 53,735.98/x
  3. Step 3: Cross multiply
    142,457.08x = 213,734.76 × 53,735.98
  4. Step 4: Simplify right side
    142,457.08x = 11,485,246,788.66
  5. Step 5: Solve for x
    x = 11,485,246,788.66/142,457.08
  6. Step 6: Final answer
    x = 80,622.51

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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.