Home / 98,279.22-147,418.02-28,158.60

Finding the Fourth Proportional to 98,279.22, 147,418.02 and 28,158.60

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Solution

The fourth proportional to 98,279.22, 147,418.02 and 28,158.60 is: 42,237.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,279.22 : 147,418.02 = 28,158.60 : x
  2. Step 2: Convert to fraction form
    98,279.22/147,418.02 = 28,158.60/x
  3. Step 3: Cross multiply
    98,279.22x = 147,418.02 × 28,158.60
  4. Step 4: Simplify right side
    98,279.22x = 4,151,085,057.97
  5. Step 5: Solve for x
    x = 4,151,085,057.97/98,279.22
  6. Step 6: Final answer
    x = 42,237.67

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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.