Home / 143,307.05-214,960.28-38,126.03

Finding the Fourth Proportional to 143,307.05, 214,960.28 and 38,126.03

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Solution

The fourth proportional to 143,307.05, 214,960.28 and 38,126.03 is: 57,188.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,307.05 : 214,960.28 = 38,126.03 : x
  2. Step 2: Convert to fraction form
    143,307.05/214,960.28 = 38,126.03/x
  3. Step 3: Cross multiply
    143,307.05x = 214,960.28 × 38,126.03
  4. Step 4: Simplify right side
    143,307.05x = 8,195,580,818.66
  5. Step 5: Solve for x
    x = 8,195,580,818.66/143,307.05
  6. Step 6: Final answer
    x = 57,188.96

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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.