Home / 215,384.80-297,227.84-119,891.36

Finding the Fourth Proportional to 215,384.80, 297,227.84 and 119,891.36

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Solution

The fourth proportional to 215,384.80, 297,227.84 and 119,891.36 is: 165,448.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,384.80 : 297,227.84 = 119,891.36 : x
  2. Step 2: Convert to fraction form
    215,384.80/297,227.84 = 119,891.36/x
  3. Step 3: Cross multiply
    215,384.80x = 297,227.84 × 119,891.36
  4. Step 4: Simplify right side
    215,384.80x = 35,635,049,967.46
  5. Step 5: Solve for x
    x = 35,635,049,967.46/215,384.80
  6. Step 6: Final answer
    x = 165,448.30

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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.