Home / 142,267.08-213,622.56-135,957.18

Finding the Fourth Proportional to 142,267.08, 213,622.56 and 135,957.18

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Solution

The fourth proportional to 142,267.08, 213,622.56 and 135,957.18 is: 204,147.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,267.08 : 213,622.56 = 135,957.18 : x
  2. Step 2: Convert to fraction form
    142,267.08/213,622.56 = 135,957.18/x
  3. Step 3: Cross multiply
    142,267.08x = 213,622.56 × 135,957.18
  4. Step 4: Simplify right side
    142,267.08x = 29,043,520,841.98
  5. Step 5: Solve for x
    x = 29,043,520,841.98/142,267.08
  6. Step 6: Final answer
    x = 204,147.87

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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.