Home / 215,581.04-297,511.04-120,087.80

Finding the Fourth Proportional to 215,581.04, 297,511.04 and 120,087.80

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Solution

The fourth proportional to 215,581.04, 297,511.04 and 120,087.80 is: 165,726.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,581.04 : 297,511.04 = 120,087.80 : x
  2. Step 2: Convert to fraction form
    215,581.04/297,511.04 = 120,087.80/x
  3. Step 3: Cross multiply
    215,581.04x = 297,511.04 × 120,087.80
  4. Step 4: Simplify right side
    215,581.04x = 35,727,446,269.31
  5. Step 5: Solve for x
    x = 35,727,446,269.31/215,581.04
  6. Step 6: Final answer
    x = 165,726.29

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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.