Home / 79,238.61-118,857.02-19,267.43

Finding the Fourth Proportional to 79,238.61, 118,857.02 and 19,267.43

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Solution

The fourth proportional to 79,238.61, 118,857.02 and 19,267.43 is: 28,900.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,238.61 : 118,857.02 = 19,267.43 : x
  2. Step 2: Convert to fraction form
    79,238.61/118,857.02 = 19,267.43/x
  3. Step 3: Cross multiply
    79,238.61x = 118,857.02 × 19,267.43
  4. Step 4: Simplify right side
    79,238.61x = 2,290,068,622.24
  5. Step 5: Solve for x
    x = 2,290,068,622.24/79,238.61
  6. Step 6: Final answer
    x = 28,900.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.