Home / 145,143.66-217,699.14-50,356.38

Finding the Fourth Proportional to 145,143.66, 217,699.14 and 50,356.38

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Solution

The fourth proportional to 145,143.66, 217,699.14 and 50,356.38 is: 75,528.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,143.66 : 217,699.14 = 50,356.38 : x
  2. Step 2: Convert to fraction form
    145,143.66/217,699.14 = 50,356.38/x
  3. Step 3: Cross multiply
    145,143.66x = 217,699.14 × 50,356.38
  4. Step 4: Simplify right side
    145,143.66x = 10,962,540,619.51
  5. Step 5: Solve for x
    x = 10,962,540,619.51/145,143.66
  6. Step 6: Final answer
    x = 75,528.90

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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.