Home / 78,853.17-118,280.97-26,262.72

Finding the Fourth Proportional to 78,853.17, 118,280.97 and 26,262.72

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Solution

The fourth proportional to 78,853.17, 118,280.97 and 26,262.72 is: 39,394.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,853.17 : 118,280.97 = 26,262.72 : x
  2. Step 2: Convert to fraction form
    78,853.17/118,280.97 = 26,262.72/x
  3. Step 3: Cross multiply
    78,853.17x = 118,280.97 × 26,262.72
  4. Step 4: Simplify right side
    78,853.17x = 3,106,379,996.44
  5. Step 5: Solve for x
    x = 3,106,379,996.44/78,853.17
  6. Step 6: Final answer
    x = 39,394.48

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1.5x scale

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.