Home / 215,966.25-298,066.23-131,066.91

Finding the Fourth Proportional to 215,966.25, 298,066.23 and 131,066.91

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Solution

The fourth proportional to 215,966.25, 298,066.23 and 131,066.91 is: 180,892.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,966.25 : 298,066.23 = 131,066.91 : x
  2. Step 2: Convert to fraction form
    215,966.25/298,066.23 = 131,066.91/x
  3. Step 3: Cross multiply
    215,966.25x = 298,066.23 × 131,066.91
  4. Step 4: Simplify right side
    215,966.25x = 39,066,619,741.45
  5. Step 5: Solve for x
    x = 39,066,619,741.45/215,966.25
  6. Step 6: Final answer
    x = 180,892.24

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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.