Home / 215,436.38-297,313.98-119,940.98

Finding the Fourth Proportional to 215,436.38, 297,313.98 and 119,940.98

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Solution

The fourth proportional to 215,436.38, 297,313.98 and 119,940.98 is: 165,525.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,436.38 : 297,313.98 = 119,940.98 : x
  2. Step 2: Convert to fraction form
    215,436.38/297,313.98 = 119,940.98/x
  3. Step 3: Cross multiply
    215,436.38x = 297,313.98 × 119,940.98
  4. Step 4: Simplify right side
    215,436.38x = 35,660,130,128.90
  5. Step 5: Solve for x
    x = 35,660,130,128.90/215,436.38
  6. Step 6: Final answer
    x = 165,525.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.