Home / 78,260.16-117,374.42-22,105.28

Finding the Fourth Proportional to 78,260.16, 117,374.42 and 22,105.28

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Solution

The fourth proportional to 78,260.16, 117,374.42 and 22,105.28 is: 33,153.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,260.16 : 117,374.42 = 22,105.28 : x
  2. Step 2: Convert to fraction form
    78,260.16/117,374.42 = 22,105.28/x
  3. Step 3: Cross multiply
    78,260.16x = 117,374.42 × 22,105.28
  4. Step 4: Simplify right side
    78,260.16x = 2,594,594,418.94
  5. Step 5: Solve for x
    x = 2,594,594,418.94/78,260.16
  6. Step 6: Final answer
    x = 33,153.45

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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.