Home / 215,553.48-297,469.17-120,061.77

Finding the Fourth Proportional to 215,553.48, 297,469.17 and 120,061.77

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Solution

The fourth proportional to 215,553.48, 297,469.17 and 120,061.77 is: 165,688.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,553.48 : 297,469.17 = 120,061.77 : x
  2. Step 2: Convert to fraction form
    215,553.48/297,469.17 = 120,061.77/x
  3. Step 3: Cross multiply
    215,553.48x = 297,469.17 × 120,061.77
  4. Step 4: Simplify right side
    215,553.48x = 35,714,674,470.32
  5. Step 5: Solve for x
    x = 35,714,674,470.32/215,553.48
  6. Step 6: Final answer
    x = 165,688.23

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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.