Home / 215,832.10-297,851.61-120,335.62

Finding the Fourth Proportional to 215,832.10, 297,851.61 and 120,335.62

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Solution

The fourth proportional to 215,832.10, 297,851.61 and 120,335.62 is: 166,065.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,832.10 : 297,851.61 = 120,335.62 : x
  2. Step 2: Convert to fraction form
    215,832.10/297,851.61 = 120,335.62/x
  3. Step 3: Cross multiply
    215,832.10x = 297,851.61 × 120,335.62
  4. Step 4: Simplify right side
    215,832.10x = 35,842,158,157.35
  5. Step 5: Solve for x
    x = 35,842,158,157.35/215,832.10
  6. Step 6: Final answer
    x = 166,065.00

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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.