Home / 215,696.94-297,538.04-134,984.30

Finding the Fourth Proportional to 215,696.94, 297,538.04 and 134,984.30

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Solution

The fourth proportional to 215,696.94, 297,538.04 and 134,984.30 is: 186,200.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,696.94 : 297,538.04 = 134,984.30 : x
  2. Step 2: Convert to fraction form
    215,696.94/297,538.04 = 134,984.30/x
  3. Step 3: Cross multiply
    215,696.94x = 297,538.04 × 134,984.30
  4. Step 4: Simplify right side
    215,696.94x = 40,162,964,052.77
  5. Step 5: Solve for x
    x = 40,162,964,052.77/215,696.94
  6. Step 6: Final answer
    x = 186,200.90

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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.