Home / 143,002.08-214,503.10-49,507.80

Finding the Fourth Proportional to 143,002.08, 214,503.10 and 49,507.80

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Solution

The fourth proportional to 143,002.08, 214,503.10 and 49,507.80 is: 74,261.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,002.08 : 214,503.10 = 49,507.80 : x
  2. Step 2: Convert to fraction form
    143,002.08/214,503.10 = 49,507.80/x
  3. Step 3: Cross multiply
    143,002.08x = 214,503.10 × 49,507.80
  4. Step 4: Simplify right side
    143,002.08x = 10,619,576,574.18
  5. Step 5: Solve for x
    x = 10,619,576,574.18/143,002.08
  6. Step 6: Final answer
    x = 74,261.69

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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.