Home / 215,667.51-297,620.42-120,175.35

Finding the Fourth Proportional to 215,667.51, 297,620.42 and 120,175.35

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Solution

The fourth proportional to 215,667.51, 297,620.42 and 120,175.35 is: 165,841.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,667.51 : 297,620.42 = 120,175.35 : x
  2. Step 2: Convert to fraction form
    215,667.51/297,620.42 = 120,175.35/x
  3. Step 3: Cross multiply
    215,667.51x = 297,620.42 × 120,175.35
  4. Step 4: Simplify right side
    215,667.51x = 35,766,637,539.77
  5. Step 5: Solve for x
    x = 35,766,637,539.77/215,667.51
  6. Step 6: Final answer
    x = 165,841.57

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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.