Home / 143,337.20-215,030.10-43,496.60

Finding the Fourth Proportional to 143,337.20, 215,030.10 and 43,496.60

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Solution

The fourth proportional to 143,337.20, 215,030.10 and 43,496.60 is: 65,252.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,337.20 : 215,030.10 = 43,496.60 : x
  2. Step 2: Convert to fraction form
    143,337.20/215,030.10 = 43,496.60/x
  3. Step 3: Cross multiply
    143,337.20x = 215,030.10 × 43,496.60
  4. Step 4: Simplify right side
    143,337.20x = 9,353,078,247.66
  5. Step 5: Solve for x
    x = 9,353,078,247.66/143,337.20
  6. Step 6: Final answer
    x = 65,252.27

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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.