Home / 215,544.48-297,460.60-120,051.20

Finding the Fourth Proportional to 215,544.48, 297,460.60 and 120,051.20

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Solution

The fourth proportional to 215,544.48, 297,460.60 and 120,051.20 is: 165,675.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,544.48 : 297,460.60 = 120,051.20 : x
  2. Step 2: Convert to fraction form
    215,544.48/297,460.60 = 120,051.20/x
  3. Step 3: Cross multiply
    215,544.48x = 297,460.60 × 120,051.20
  4. Step 4: Simplify right side
    215,544.48x = 35,710,501,982.72
  5. Step 5: Solve for x
    x = 35,710,501,982.72/215,544.48
  6. Step 6: Final answer
    x = 165,675.79

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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.