Home / 144,031.61-198,733.94-82,765.95

Finding the Fourth Proportional to 144,031.61, 198,733.94 and 82,765.95

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Solution

The fourth proportional to 144,031.61, 198,733.94 and 82,765.95 is: 114,199.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,031.61 : 198,733.94 = 82,765.95 : x
  2. Step 2: Convert to fraction form
    144,031.61/198,733.94 = 82,765.95/x
  3. Step 3: Cross multiply
    144,031.61x = 198,733.94 × 82,765.95
  4. Step 4: Simplify right side
    144,031.61x = 16,448,403,341.34
  5. Step 5: Solve for x
    x = 16,448,403,341.34/144,031.61
  6. Step 6: Final answer
    x = 114,199.96

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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.