Home / 203,091.08-280,276.04-112,457.07

Finding the Fourth Proportional to 203,091.08, 280,276.04 and 112,457.07

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Solution

The fourth proportional to 203,091.08, 280,276.04 and 112,457.07 is: 155,196.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,091.08 : 280,276.04 = 112,457.07 : x
  2. Step 2: Convert to fraction form
    203,091.08/280,276.04 = 112,457.07/x
  3. Step 3: Cross multiply
    203,091.08x = 280,276.04 × 112,457.07
  4. Step 4: Simplify right side
    203,091.08x = 31,519,022,530.75
  5. Step 5: Solve for x
    x = 31,519,022,530.75/203,091.08
  6. Step 6: Final answer
    x = 155,196.49

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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.