Home / 78,288.06-117,436.05-22,132.23

Finding the Fourth Proportional to 78,288.06, 117,436.05 and 22,132.23

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Solution

The fourth proportional to 78,288.06, 117,436.05 and 22,132.23 is: 33,199.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,288.06 : 117,436.05 = 22,132.23 : x
  2. Step 2: Convert to fraction form
    78,288.06/117,436.05 = 22,132.23/x
  3. Step 3: Cross multiply
    78,288.06x = 117,436.05 × 22,132.23
  4. Step 4: Simplify right side
    78,288.06x = 2,599,121,668.89
  5. Step 5: Solve for x
    x = 2,599,121,668.89/78,288.06
  6. Step 6: Final answer
    x = 33,199.46

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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.