Home / 78,967.61-118,433.97-22,795.52

Finding the Fourth Proportional to 78,967.61, 118,433.97 and 22,795.52

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Solution

The fourth proportional to 78,967.61, 118,433.97 and 22,795.52 is: 34,188.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,967.61 : 118,433.97 = 22,795.52 : x
  2. Step 2: Convert to fraction form
    78,967.61/118,433.97 = 22,795.52/x
  3. Step 3: Cross multiply
    78,967.61x = 118,433.97 × 22,795.52
  4. Step 4: Simplify right side
    78,967.61x = 2,699,763,339.64
  5. Step 5: Solve for x
    x = 2,699,763,339.64/78,967.61
  6. Step 6: Final answer
    x = 34,188.24

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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.