Home / 203,579.10-280,925.92-112,934.84

Finding the Fourth Proportional to 203,579.10, 280,925.92 and 112,934.84

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Solution

The fourth proportional to 203,579.10, 280,925.92 and 112,934.84 is: 155,842.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,579.10 : 280,925.92 = 112,934.84 : x
  2. Step 2: Convert to fraction form
    203,579.10/280,925.92 = 112,934.84/x
  3. Step 3: Cross multiply
    203,579.10x = 280,925.92 × 112,934.84
  4. Step 4: Simplify right side
    203,579.10x = 31,726,323,551.22
  5. Step 5: Solve for x
    x = 31,726,323,551.22/203,579.10
  6. Step 6: Final answer
    x = 155,842.74

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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.