Home / 215,402.10-297,260.11-119,915.25

Finding the Fourth Proportional to 215,402.10, 297,260.11 and 119,915.25

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Solution

The fourth proportional to 215,402.10, 297,260.11 and 119,915.25 is: 165,485.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,402.10 : 297,260.11 = 119,915.25 : x
  2. Step 2: Convert to fraction form
    215,402.10/297,260.11 = 119,915.25/x
  3. Step 3: Cross multiply
    215,402.10x = 297,260.11 × 119,915.25
  4. Step 4: Simplify right side
    215,402.10x = 35,646,020,405.68
  5. Step 5: Solve for x
    x = 35,646,020,405.68/215,402.10
  6. Step 6: Final answer
    x = 165,485.95

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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.