Home / 215,572.51-297,499.26-120,079.18

Finding the Fourth Proportional to 215,572.51, 297,499.26 and 120,079.18

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Solution

The fourth proportional to 215,572.51, 297,499.26 and 120,079.18 is: 165,714.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,572.51 : 297,499.26 = 120,079.18 : x
  2. Step 2: Convert to fraction form
    215,572.51/297,499.26 = 120,079.18/x
  3. Step 3: Cross multiply
    215,572.51x = 297,499.26 × 120,079.18
  4. Step 4: Simplify right side
    215,572.51x = 35,723,467,191.41
  5. Step 5: Solve for x
    x = 35,723,467,191.41/215,572.51
  6. Step 6: Final answer
    x = 165,714.39

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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.