Home / 215,701.14-297,662.77-120,206.10

Finding the Fourth Proportional to 215,701.14, 297,662.77 and 120,206.10

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Solution

The fourth proportional to 215,701.14, 297,662.77 and 120,206.10 is: 165,881.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,701.14 : 297,662.77 = 120,206.10 : x
  2. Step 2: Convert to fraction form
    215,701.14/297,662.77 = 120,206.10/x
  3. Step 3: Cross multiply
    215,701.14x = 297,662.77 × 120,206.10
  4. Step 4: Simplify right side
    215,701.14x = 35,780,880,696.90
  5. Step 5: Solve for x
    x = 35,780,880,696.90/215,701.14
  6. Step 6: Final answer
    x = 165,881.74

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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.