Home / 145,964.96-218,815.64-52,448.84

Finding the Fourth Proportional to 145,964.96, 218,815.64 and 52,448.84

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Solution

The fourth proportional to 145,964.96, 218,815.64 and 52,448.84 is: 78,625.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,964.96 : 218,815.64 = 52,448.84 : x
  2. Step 2: Convert to fraction form
    145,964.96/218,815.64 = 52,448.84/x
  3. Step 3: Cross multiply
    145,964.96x = 218,815.64 × 52,448.84
  4. Step 4: Simplify right side
    145,964.96x = 11,476,626,491.86
  5. Step 5: Solve for x
    x = 11,476,626,491.86/145,964.96
  6. Step 6: Final answer
    x = 78,625.90

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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.