Home / 94,690.48-142,035.54-55,219.92

Finding the Fourth Proportional to 94,690.48, 142,035.54 and 55,219.92

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Solution

The fourth proportional to 94,690.48, 142,035.54 and 55,219.92 is: 82,829.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,690.48 : 142,035.54 = 55,219.92 : x
  2. Step 2: Convert to fraction form
    94,690.48/142,035.54 = 55,219.92/x
  3. Step 3: Cross multiply
    94,690.48x = 142,035.54 × 55,219.92
  4. Step 4: Simplify right side
    94,690.48x = 7,843,191,155.96
  5. Step 5: Solve for x
    x = 7,843,191,155.96/94,690.48
  6. Step 6: Final answer
    x = 82,829.78

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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.