Home / 215,351.62-297,179.98-118,554.69

Finding the Fourth Proportional to 215,351.62, 297,179.98 and 118,554.69

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Solution

The fourth proportional to 215,351.62, 297,179.98 and 118,554.69 is: 163,602.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,351.62 : 297,179.98 = 118,554.69 : x
  2. Step 2: Convert to fraction form
    215,351.62/297,179.98 = 118,554.69/x
  3. Step 3: Cross multiply
    215,351.62x = 297,179.98 × 118,554.69
  4. Step 4: Simplify right side
    215,351.62x = 35,232,082,263.69
  5. Step 5: Solve for x
    x = 35,232,082,263.69/215,351.62
  6. Step 6: Final answer
    x = 163,602.59

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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.