Home / 78,272.33-117,398.05-22,117.52

Finding the Fourth Proportional to 78,272.33, 117,398.05 and 22,117.52

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Solution

The fourth proportional to 78,272.33, 117,398.05 and 22,117.52 is: 33,173.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,272.33 : 117,398.05 = 22,117.52 : x
  2. Step 2: Convert to fraction form
    78,272.33/117,398.05 = 22,117.52/x
  3. Step 3: Cross multiply
    78,272.33x = 117,398.05 × 22,117.52
  4. Step 4: Simplify right side
    78,272.33x = 2,596,553,957.04
  5. Step 5: Solve for x
    x = 2,596,553,957.04/78,272.33
  6. Step 6: Final answer
    x = 33,173.33

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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.