Home / 143,330.46-215,000.58-38,149.53

Finding the Fourth Proportional to 143,330.46, 215,000.58 and 38,149.53

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Solution

The fourth proportional to 143,330.46, 215,000.58 and 38,149.53 is: 57,225.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,330.46 : 215,000.58 = 38,149.53 : x
  2. Step 2: Convert to fraction form
    143,330.46/215,000.58 = 38,149.53/x
  3. Step 3: Cross multiply
    143,330.46x = 215,000.58 × 38,149.53
  4. Step 4: Simplify right side
    143,330.46x = 8,202,171,408.32
  5. Step 5: Solve for x
    x = 8,202,171,408.32/143,330.46
  6. Step 6: Final answer
    x = 57,225.60

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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.