Home / 145,484.09-218,171.69-50,689.94

Finding the Fourth Proportional to 145,484.09, 218,171.69 and 50,689.94

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Solution

The fourth proportional to 145,484.09, 218,171.69 and 50,689.94 is: 76,015.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,484.09 : 218,171.69 = 50,689.94 : x
  2. Step 2: Convert to fraction form
    145,484.09/218,171.69 = 50,689.94/x
  3. Step 3: Cross multiply
    145,484.09x = 218,171.69 × 50,689.94
  4. Step 4: Simplify right side
    145,484.09x = 11,059,110,167.78
  5. Step 5: Solve for x
    x = 11,059,110,167.78/145,484.09
  6. Step 6: Final answer
    x = 76,015.94

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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.