Home / 202,968.32-280,092.08-112,318.89

Finding the Fourth Proportional to 202,968.32, 280,092.08 and 112,318.89

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Solution

The fourth proportional to 202,968.32, 280,092.08 and 112,318.89 is: 154,997.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,968.32 : 280,092.08 = 112,318.89 : x
  2. Step 2: Convert to fraction form
    202,968.32/280,092.08 = 112,318.89/x
  3. Step 3: Cross multiply
    202,968.32x = 280,092.08 × 112,318.89
  4. Step 4: Simplify right side
    202,968.32x = 31,459,630,961.80
  5. Step 5: Solve for x
    x = 31,459,630,961.80/202,968.32
  6. Step 6: Final answer
    x = 154,997.74

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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.