Home / 231,493.35-319,459.10-130,894.95

Finding the Fourth Proportional to 231,493.35, 319,459.10 and 130,894.95

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Solution

The fourth proportional to 231,493.35, 319,459.10 and 130,894.95 is: 180,634.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,493.35 : 319,459.10 = 130,894.95 : x
  2. Step 2: Convert to fraction form
    231,493.35/319,459.10 = 130,894.95/x
  3. Step 3: Cross multiply
    231,493.35x = 319,459.10 × 130,894.95
  4. Step 4: Simplify right side
    231,493.35x = 41,815,582,267.07
  5. Step 5: Solve for x
    x = 41,815,582,267.07/231,493.35
  6. Step 6: Final answer
    x = 180,634.05

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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.