Home / 215,533.43-297,445.31-120,040.13

Finding the Fourth Proportional to 215,533.43, 297,445.31 and 120,040.13

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Solution

The fourth proportional to 215,533.43, 297,445.31 and 120,040.13 is: 165,660.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,533.43 : 297,445.31 = 120,040.13 : x
  2. Step 2: Convert to fraction form
    215,533.43/297,445.31 = 120,040.13/x
  3. Step 3: Cross multiply
    215,533.43x = 297,445.31 × 120,040.13
  4. Step 4: Simplify right side
    215,533.43x = 35,705,371,592.86
  5. Step 5: Solve for x
    x = 35,705,371,592.86/215,533.43
  6. Step 6: Final answer
    x = 165,660.48

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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.