Home / 215,580.54-297,510.35-120,087.30

Finding the Fourth Proportional to 215,580.54, 297,510.35 and 120,087.30

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Solution

The fourth proportional to 215,580.54, 297,510.35 and 120,087.30 is: 165,725.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,580.54 : 297,510.35 = 120,087.30 : x
  2. Step 2: Convert to fraction form
    215,580.54/297,510.35 = 120,087.30/x
  3. Step 3: Cross multiply
    215,580.54x = 297,510.35 × 120,087.30
  4. Step 4: Simplify right side
    215,580.54x = 35,727,214,653.56
  5. Step 5: Solve for x
    x = 35,727,214,653.56/215,580.54
  6. Step 6: Final answer
    x = 165,725.60

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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.